Home / 113,790.30-156,962.96-73,527.80

Finding the Fourth Proportional to 113,790.30, 156,962.96 and 73,527.80

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Solution

The fourth proportional to 113,790.30, 156,962.96 and 73,527.80 is: 101,424.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,790.30 : 156,962.96 = 73,527.80 : x
  2. Step 2: Convert to fraction form
    113,790.30/156,962.96 = 73,527.80/x
  3. Step 3: Cross multiply
    113,790.30x = 156,962.96 × 73,527.80
  4. Step 4: Simplify right side
    113,790.30x = 11,541,141,130.29
  5. Step 5: Solve for x
    x = 11,541,141,130.29/113,790.30
  6. Step 6: Final answer
    x = 101,424.65

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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.