Home / 157,731-236,479.86-95,387.64

Finding the Fourth Proportional to 157,731, 236,479.86 and 95,387.64

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Solution

The fourth proportional to 157,731, 236,479.86 and 95,387.64 is: 143,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,731 : 236,479.86 = 95,387.64 : x
  2. Step 2: Convert to fraction form
    157,731/236,479.86 = 95,387.64/x
  3. Step 3: Cross multiply
    157,731x = 236,479.86 × 95,387.64
  4. Step 4: Simplify right side
    157,731x = 22,557,255,752.93
  5. Step 5: Solve for x
    x = 22,557,255,752.93/157,731
  6. Step 6: Final answer
    x = 143,010.92

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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.