Home / 192,189.32-288,285.02-126,048.30

Finding the Fourth Proportional to 192,189.32, 288,285.02 and 126,048.30

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Solution

The fourth proportional to 192,189.32, 288,285.02 and 126,048.30 is: 189,073.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,189.32 : 288,285.02 = 126,048.30 : x
  2. Step 2: Convert to fraction form
    192,189.32/288,285.02 = 126,048.30/x
  3. Step 3: Cross multiply
    192,189.32x = 288,285.02 × 126,048.30
  4. Step 4: Simplify right side
    192,189.32x = 36,337,836,686.47
  5. Step 5: Solve for x
    x = 36,337,836,686.47/192,189.32
  6. Step 6: Final answer
    x = 189,073.13

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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.