Home / 131,767.32-181,838.98-71,337.98

Finding the Fourth Proportional to 131,767.32, 181,838.98 and 71,337.98

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Solution

The fourth proportional to 131,767.32, 181,838.98 and 71,337.98 is: 98,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,767.32 : 181,838.98 = 71,337.98 : x
  2. Step 2: Convert to fraction form
    131,767.32/181,838.98 = 71,337.98/x
  3. Step 3: Cross multiply
    131,767.32x = 181,838.98 × 71,337.98
  4. Step 4: Simplify right side
    131,767.32x = 12,972,024,252.58
  5. Step 5: Solve for x
    x = 12,972,024,252.58/131,767.32
  6. Step 6: Final answer
    x = 98,446.45

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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.