Home / 261,901.40-361,433.45-147,182.32

Finding the Fourth Proportional to 261,901.40, 361,433.45 and 147,182.32

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Solution

The fourth proportional to 261,901.40, 361,433.45 and 147,182.32 is: 203,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,901.40 : 361,433.45 = 147,182.32 : x
  2. Step 2: Convert to fraction form
    261,901.40/361,433.45 = 147,182.32/x
  3. Step 3: Cross multiply
    261,901.40x = 361,433.45 × 147,182.32
  4. Step 4: Simplify right side
    261,901.40x = 53,196,612,831.74
  5. Step 5: Solve for x
    x = 53,196,612,831.74/261,901.40
  6. Step 6: Final answer
    x = 203,116.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.