Home / 113,606.19-156,777.17-65,887.83

Finding the Fourth Proportional to 113,606.19, 156,777.17 and 65,887.83

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Solution

The fourth proportional to 113,606.19, 156,777.17 and 65,887.83 is: 90,925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,606.19 : 156,777.17 = 65,887.83 : x
  2. Step 2: Convert to fraction form
    113,606.19/156,777.17 = 65,887.83/x
  3. Step 3: Cross multiply
    113,606.19x = 156,777.17 × 65,887.83
  4. Step 4: Simplify right side
    113,606.19x = 10,329,707,195.40
  5. Step 5: Solve for x
    x = 10,329,707,195.40/113,606.19
  6. Step 6: Final answer
    x = 90,925.57

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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.