Home / 136,988.32-205,498.86-58,092.28

Finding the Fourth Proportional to 136,988.32, 205,498.86 and 58,092.28

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Solution

The fourth proportional to 136,988.32, 205,498.86 and 58,092.28 is: 87,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,988.32 : 205,498.86 = 58,092.28 : x
  2. Step 2: Convert to fraction form
    136,988.32/205,498.86 = 58,092.28/x
  3. Step 3: Cross multiply
    136,988.32x = 205,498.86 × 58,092.28
  4. Step 4: Simplify right side
    136,988.32x = 11,937,897,314.80
  5. Step 5: Solve for x
    x = 11,937,897,314.80/136,988.32
  6. Step 6: Final answer
    x = 87,145.37

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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.