Home / 113,575.13-156,588.11-93,081.75

Finding the Fourth Proportional to 113,575.13, 156,588.11 and 93,081.75

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Solution

The fourth proportional to 113,575.13, 156,588.11 and 93,081.75 is: 128,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,575.13 : 156,588.11 = 93,081.75 : x
  2. Step 2: Convert to fraction form
    113,575.13/156,588.11 = 93,081.75/x
  3. Step 3: Cross multiply
    113,575.13x = 156,588.11 × 93,081.75
  4. Step 4: Simplify right side
    113,575.13x = 14,575,494,842.58
  5. Step 5: Solve for x
    x = 14,575,494,842.58/113,575.13
  6. Step 6: Final answer
    x = 128,333.51

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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.