Home / 177,880.13-245,487.90-101,401.05

Finding the Fourth Proportional to 177,880.13, 245,487.90 and 101,401.05

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Solution

The fourth proportional to 177,880.13, 245,487.90 and 101,401.05 is: 139,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,880.13 : 245,487.90 = 101,401.05 : x
  2. Step 2: Convert to fraction form
    177,880.13/245,487.90 = 101,401.05/x
  3. Step 3: Cross multiply
    177,880.13x = 245,487.90 × 101,401.05
  4. Step 4: Simplify right side
    177,880.13x = 24,892,729,901.72
  5. Step 5: Solve for x
    x = 24,892,729,901.72/177,880.13
  6. Step 6: Final answer
    x = 139,941.04

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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.