Home / 117,349.38-161,882.28-74,256.06

Finding the Fourth Proportional to 117,349.38, 161,882.28 and 74,256.06

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Solution

The fourth proportional to 117,349.38, 161,882.28 and 74,256.06 is: 102,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,349.38 : 161,882.28 = 74,256.06 : x
  2. Step 2: Convert to fraction form
    117,349.38/161,882.28 = 74,256.06/x
  3. Step 3: Cross multiply
    117,349.38x = 161,882.28 × 74,256.06
  4. Step 4: Simplify right side
    117,349.38x = 12,020,740,296.62
  5. Step 5: Solve for x
    x = 12,020,740,296.62/117,349.38
  6. Step 6: Final answer
    x = 102,435.48

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1.5x scale

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.