Home / 113,151.11-156,131.17-65,395.24

Finding the Fourth Proportional to 113,151.11, 156,131.17 and 65,395.24

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Solution

The fourth proportional to 113,151.11, 156,131.17 and 65,395.24 is: 90,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,151.11 : 156,131.17 = 65,395.24 : x
  2. Step 2: Convert to fraction form
    113,151.11/156,131.17 = 65,395.24/x
  3. Step 3: Cross multiply
    113,151.11x = 156,131.17 × 65,395.24
  4. Step 4: Simplify right side
    113,151.11x = 10,210,235,333.63
  5. Step 5: Solve for x
    x = 10,210,235,333.63/113,151.11
  6. Step 6: Final answer
    x = 90,235.40

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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.