Home / 113,655.28-156,911.49-101,045.14

Finding the Fourth Proportional to 113,655.28, 156,911.49 and 101,045.14

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Solution

The fourth proportional to 113,655.28, 156,911.49 and 101,045.14 is: 139,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,655.28 : 156,911.49 = 101,045.14 : x
  2. Step 2: Convert to fraction form
    113,655.28/156,911.49 = 101,045.14/x
  3. Step 3: Cross multiply
    113,655.28x = 156,911.49 × 101,045.14
  4. Step 4: Simplify right side
    113,655.28x = 15,855,143,474.66
  5. Step 5: Solve for x
    x = 15,855,143,474.66/113,655.28
  6. Step 6: Final answer
    x = 139,502.04

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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.