Home / 155,439.60-214,522.20-95,037.36

Finding the Fourth Proportional to 155,439.60, 214,522.20 and 95,037.36

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Solution

The fourth proportional to 155,439.60, 214,522.20 and 95,037.36 is: 131,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,439.60 : 214,522.20 = 95,037.36 : x
  2. Step 2: Convert to fraction form
    155,439.60/214,522.20 = 95,037.36/x
  3. Step 3: Cross multiply
    155,439.60x = 214,522.20 × 95,037.36
  4. Step 4: Simplify right side
    155,439.60x = 20,387,623,549.39
  5. Step 5: Solve for x
    x = 20,387,623,549.39/155,439.60
  6. Step 6: Final answer
    x = 131,161.07

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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.