Home / 158,915.34-238,369.32-80,008.38

Finding the Fourth Proportional to 158,915.34, 238,369.32 and 80,008.38

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Solution

The fourth proportional to 158,915.34, 238,369.32 and 80,008.38 is: 120,010.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,915.34 : 238,369.32 = 80,008.38 : x
  2. Step 2: Convert to fraction form
    158,915.34/238,369.32 = 80,008.38/x
  3. Step 3: Cross multiply
    158,915.34x = 238,369.32 × 80,008.38
  4. Step 4: Simplify right side
    158,915.34x = 19,071,543,134.90
  5. Step 5: Solve for x
    x = 19,071,543,134.90/158,915.34
  6. Step 6: Final answer
    x = 120,010.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.