Home / 155,236.18-232,659.48-66,385.24

Finding the Fourth Proportional to 155,236.18, 232,659.48 and 66,385.24

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Solution

The fourth proportional to 155,236.18, 232,659.48 and 66,385.24 is: 99,494.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,236.18 : 232,659.48 = 66,385.24 : x
  2. Step 2: Convert to fraction form
    155,236.18/232,659.48 = 66,385.24/x
  3. Step 3: Cross multiply
    155,236.18x = 232,659.48 × 66,385.24
  4. Step 4: Simplify right side
    155,236.18x = 15,445,155,418.08
  5. Step 5: Solve for x
    x = 15,445,155,418.08/155,236.18
  6. Step 6: Final answer
    x = 99,494.56

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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.