Home / 155,122.92-214,151.27-104,402.29

Finding the Fourth Proportional to 155,122.92, 214,151.27 and 104,402.29

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Solution

The fourth proportional to 155,122.92, 214,151.27 and 104,402.29 is: 144,130.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,122.92 : 214,151.27 = 104,402.29 : x
  2. Step 2: Convert to fraction form
    155,122.92/214,151.27 = 104,402.29/x
  3. Step 3: Cross multiply
    155,122.92x = 214,151.27 × 104,402.29
  4. Step 4: Simplify right side
    155,122.92x = 22,357,883,234.48
  5. Step 5: Solve for x
    x = 22,357,883,234.48/155,122.92
  6. Step 6: Final answer
    x = 144,130.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.