Home / 157,979.68-236,962.22-39,648.40

Finding the Fourth Proportional to 157,979.68, 236,962.22 and 39,648.40

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Solution

The fourth proportional to 157,979.68, 236,962.22 and 39,648.40 is: 59,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,979.68 : 236,962.22 = 39,648.40 : x
  2. Step 2: Convert to fraction form
    157,979.68/236,962.22 = 39,648.40/x
  3. Step 3: Cross multiply
    157,979.68x = 236,962.22 × 39,648.40
  4. Step 4: Simplify right side
    157,979.68x = 9,395,172,883.45
  5. Step 5: Solve for x
    x = 9,395,172,883.45/157,979.68
  6. Step 6: Final answer
    x = 59,470.77

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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.