Home / 113,645.94-156,793.32-73,386.91

Finding the Fourth Proportional to 113,645.94, 156,793.32 and 73,386.91

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Solution

The fourth proportional to 113,645.94, 156,793.32 and 73,386.91 is: 101,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,645.94 : 156,793.32 = 73,386.91 : x
  2. Step 2: Convert to fraction form
    113,645.94/156,793.32 = 73,386.91/x
  3. Step 3: Cross multiply
    113,645.94x = 156,793.32 × 73,386.91
  4. Step 4: Simplify right side
    113,645.94x = 11,506,577,459.43
  5. Step 5: Solve for x
    x = 11,506,577,459.43/113,645.94
  6. Step 6: Final answer
    x = 101,249.35

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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.