Home / 131,983.35-182,138.28-71,553.84

Finding the Fourth Proportional to 131,983.35, 182,138.28 and 71,553.84

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Solution

The fourth proportional to 131,983.35, 182,138.28 and 71,553.84 is: 98,744.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,983.35 : 182,138.28 = 71,553.84 : x
  2. Step 2: Convert to fraction form
    131,983.35/182,138.28 = 71,553.84/x
  3. Step 3: Cross multiply
    131,983.35x = 182,138.28 × 71,553.84
  4. Step 4: Simplify right side
    131,983.35x = 13,032,693,345.00
  5. Step 5: Solve for x
    x = 13,032,693,345.00/131,983.35
  6. Step 6: Final answer
    x = 98,744.98

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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.