Home / 110,916.52-153,061.38-63,176.68

Finding the Fourth Proportional to 110,916.52, 153,061.38 and 63,176.68

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Solution

The fourth proportional to 110,916.52, 153,061.38 and 63,176.68 is: 87,181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,916.52 : 153,061.38 = 63,176.68 : x
  2. Step 2: Convert to fraction form
    110,916.52/153,061.38 = 63,176.68/x
  3. Step 3: Cross multiply
    110,916.52x = 153,061.38 × 63,176.68
  4. Step 4: Simplify right side
    110,916.52x = 9,669,909,824.62
  5. Step 5: Solve for x
    x = 9,669,909,824.62/110,916.52
  6. Step 6: Final answer
    x = 87,181.87

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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.