Home / 128,177.48-192,266.24-83,841.52

Finding the Fourth Proportional to 128,177.48, 192,266.24 and 83,841.52

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Solution

The fourth proportional to 128,177.48, 192,266.24 and 83,841.52 is: 125,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,177.48 : 192,266.24 = 83,841.52 : x
  2. Step 2: Convert to fraction form
    128,177.48/192,266.24 = 83,841.52/x
  3. Step 3: Cross multiply
    128,177.48x = 192,266.24 × 83,841.52
  4. Step 4: Simplify right side
    128,177.48x = 16,119,893,806.28
  5. Step 5: Solve for x
    x = 16,119,893,806.28/128,177.48
  6. Step 6: Final answer
    x = 125,762.29

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1.5x scale

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.