Home / 128,760.57-193,132.38-44,501.13

Finding the Fourth Proportional to 128,760.57, 193,132.38 and 44,501.13

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Solution

The fourth proportional to 128,760.57, 193,132.38 and 44,501.13 is: 66,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,760.57 : 193,132.38 = 44,501.13 : x
  2. Step 2: Convert to fraction form
    128,760.57/193,132.38 = 44,501.13/x
  3. Step 3: Cross multiply
    128,760.57x = 193,132.38 × 44,501.13
  4. Step 4: Simplify right side
    128,760.57x = 8,594,609,149.59
  5. Step 5: Solve for x
    x = 8,594,609,149.59/128,760.57
  6. Step 6: Final answer
    x = 66,748.77

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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.