Home / 159,126.90-238,639.32-52,486.92

Finding the Fourth Proportional to 159,126.90, 238,639.32 and 52,486.92

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Solution

The fourth proportional to 159,126.90, 238,639.32 and 52,486.92 is: 78,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,126.90 : 238,639.32 = 52,486.92 : x
  2. Step 2: Convert to fraction form
    159,126.90/238,639.32 = 52,486.92/x
  3. Step 3: Cross multiply
    159,126.90x = 238,639.32 × 52,486.92
  4. Step 4: Simplify right side
    159,126.90x = 12,525,442,897.69
  5. Step 5: Solve for x
    x = 12,525,442,897.69/159,126.90
  6. Step 6: Final answer
    x = 78,713.55

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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.