Home / 157,375.40-236,132.84-82,477.72

Finding the Fourth Proportional to 157,375.40, 236,132.84 and 82,477.72

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Solution

The fourth proportional to 157,375.40, 236,132.84 and 82,477.72 is: 123,753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,375.40 : 236,132.84 = 82,477.72 : x
  2. Step 2: Convert to fraction form
    157,375.40/236,132.84 = 82,477.72/x
  3. Step 3: Cross multiply
    157,375.40x = 236,132.84 × 82,477.72
  4. Step 4: Simplify right side
    157,375.40x = 19,475,698,260.32
  5. Step 5: Solve for x
    x = 19,475,698,260.32/157,375.40
  6. Step 6: Final answer
    x = 123,753.13

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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.