Home / 155,420.40-233,476.20-149,545.20

Finding the Fourth Proportional to 155,420.40, 233,476.20 and 149,545.20

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Solution

The fourth proportional to 155,420.40, 233,476.20 and 149,545.20 is: 224,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,420.40 : 233,476.20 = 149,545.20 : x
  2. Step 2: Convert to fraction form
    155,420.40/233,476.20 = 149,545.20/x
  3. Step 3: Cross multiply
    155,420.40x = 233,476.20 × 149,545.20
  4. Step 4: Simplify right side
    155,420.40x = 34,915,245,024.24
  5. Step 5: Solve for x
    x = 34,915,245,024.24/155,420.40
  6. Step 6: Final answer
    x = 224,650.34

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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.