Home / 128,759.57-193,130.88-44,500.13

Finding the Fourth Proportional to 128,759.57, 193,130.88 and 44,500.13

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Solution

The fourth proportional to 128,759.57, 193,130.88 and 44,500.13 is: 66,747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,759.57 : 193,130.88 = 44,500.13 : x
  2. Step 2: Convert to fraction form
    128,759.57/193,130.88 = 44,500.13/x
  3. Step 3: Cross multiply
    128,759.57x = 193,130.88 × 44,500.13
  4. Step 4: Simplify right side
    128,759.57x = 8,594,348,301.36
  5. Step 5: Solve for x
    x = 8,594,348,301.36/128,759.57
  6. Step 6: Final answer
    x = 66,747.26

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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.