Home / 157,790.88-236,635.20-52,581.60

Finding the Fourth Proportional to 157,790.88, 236,635.20 and 52,581.60

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Solution

The fourth proportional to 157,790.88, 236,635.20 and 52,581.60 is: 78,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,790.88 : 236,635.20 = 52,581.60 : x
  2. Step 2: Convert to fraction form
    157,790.88/236,635.20 = 52,581.60/x
  3. Step 3: Cross multiply
    157,790.88x = 236,635.20 × 52,581.60
  4. Step 4: Simplify right side
    157,790.88x = 12,442,657,432.32
  5. Step 5: Solve for x
    x = 12,442,657,432.32/157,790.88
  6. Step 6: Final answer
    x = 78,855.36

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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.