Home / 155,658.10-233,560.05-80,862.70

Finding the Fourth Proportional to 155,658.10, 233,560.05 and 80,862.70

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Solution

The fourth proportional to 155,658.10, 233,560.05 and 80,862.70 is: 121,331.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,658.10 : 233,560.05 = 80,862.70 : x
  2. Step 2: Convert to fraction form
    155,658.10/233,560.05 = 80,862.70/x
  3. Step 3: Cross multiply
    155,658.10x = 233,560.05 × 80,862.70
  4. Step 4: Simplify right side
    155,658.10x = 18,886,296,255.14
  5. Step 5: Solve for x
    x = 18,886,296,255.14/155,658.10
  6. Step 6: Final answer
    x = 121,331.92

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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.