Home / 113,384.22-156,417.87-73,110.92

Finding the Fourth Proportional to 113,384.22, 156,417.87 and 73,110.92

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Solution

The fourth proportional to 113,384.22, 156,417.87 and 73,110.92 is: 100,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,384.22 : 156,417.87 = 73,110.92 : x
  2. Step 2: Convert to fraction form
    113,384.22/156,417.87 = 73,110.92/x
  3. Step 3: Cross multiply
    113,384.22x = 156,417.87 × 73,110.92
  4. Step 4: Simplify right side
    113,384.22x = 11,435,853,598.05
  5. Step 5: Solve for x
    x = 11,435,853,598.05/113,384.22
  6. Step 6: Final answer
    x = 100,859.30

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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.