Home / 159,156.38-238,750.16-57,981.93

Finding the Fourth Proportional to 159,156.38, 238,750.16 and 57,981.93

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Solution

The fourth proportional to 159,156.38, 238,750.16 and 57,981.93 is: 86,978.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,156.38 : 238,750.16 = 57,981.93 : x
  2. Step 2: Convert to fraction form
    159,156.38/238,750.16 = 57,981.93/x
  3. Step 3: Cross multiply
    159,156.38x = 238,750.16 × 57,981.93
  4. Step 4: Simplify right side
    159,156.38x = 13,843,195,064.61
  5. Step 5: Solve for x
    x = 13,843,195,064.61/159,156.38
  6. Step 6: Final answer
    x = 86,978.57

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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.