Home / 157,513.20-236,302.20-52,407.60

Finding the Fourth Proportional to 157,513.20, 236,302.20 and 52,407.60

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Solution

The fourth proportional to 157,513.20, 236,302.20 and 52,407.60 is: 78,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,513.20 : 236,302.20 = 52,407.60 : x
  2. Step 2: Convert to fraction form
    157,513.20/236,302.20 = 52,407.60/x
  3. Step 3: Cross multiply
    157,513.20x = 236,302.20 × 52,407.60
  4. Step 4: Simplify right side
    157,513.20x = 12,384,031,176.72
  5. Step 5: Solve for x
    x = 12,384,031,176.72/157,513.20
  6. Step 6: Final answer
    x = 78,622.18

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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.