Home / 157,790.90-236,687.55-52,609.70

Finding the Fourth Proportional to 157,790.90, 236,687.55 and 52,609.70

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Solution

The fourth proportional to 157,790.90, 236,687.55 and 52,609.70 is: 78,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,790.90 : 236,687.55 = 52,609.70 : x
  2. Step 2: Convert to fraction form
    157,790.90/236,687.55 = 52,609.70/x
  3. Step 3: Cross multiply
    157,790.90x = 236,687.55 × 52,609.70
  4. Step 4: Simplify right side
    157,790.90x = 12,452,060,999.24
  5. Step 5: Solve for x
    x = 12,452,060,999.24/157,790.90
  6. Step 6: Final answer
    x = 78,914.95

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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.