Home / 261,468,135.60-392,202,203.40-173,792,180.40

Finding the Fourth Proportional to 261,468,135.60, 392,202,203.40 and 173,792,180.40

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Solution

The fourth proportional to 261,468,135.60, 392,202,203.40 and 173,792,180.40 is: 260,688,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,468,135.60 : 392,202,203.40 = 173,792,180.40 : x
  2. Step 2: Convert to fraction form
    261,468,135.60/392,202,203.40 = 173,792,180.40/x
  3. Step 3: Cross multiply
    261,468,135.60x = 392,202,203.40 × 173,792,180.40
  4. Step 4: Simplify right side
    261,468,135.60x = 68,161,676,086,570,288
  5. Step 5: Solve for x
    x = 68,161,676,086,570,288/261,468,135.60
  6. Step 6: Final answer
    x = 260,688,270.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.