Home / 119,753.48-165,256.02-66,040.76

Finding the Fourth Proportional to 119,753.48, 165,256.02 and 66,040.76

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Solution

The fourth proportional to 119,753.48, 165,256.02 and 66,040.76 is: 91,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,753.48 : 165,256.02 = 66,040.76 : x
  2. Step 2: Convert to fraction form
    119,753.48/165,256.02 = 66,040.76/x
  3. Step 3: Cross multiply
    119,753.48x = 165,256.02 × 66,040.76
  4. Step 4: Simplify right side
    119,753.48x = 10,913,633,155.38
  5. Step 5: Solve for x
    x = 10,913,633,155.38/119,753.48
  6. Step 6: Final answer
    x = 91,134.16

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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.