Home / 155,541.20-232,728.60-141,544.40

Finding the Fourth Proportional to 155,541.20, 232,728.60 and 141,544.40

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Solution

The fourth proportional to 155,541.20, 232,728.60 and 141,544.40 is: 211,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,541.20 : 232,728.60 = 141,544.40 : x
  2. Step 2: Convert to fraction form
    155,541.20/232,728.60 = 141,544.40/x
  3. Step 3: Cross multiply
    155,541.20x = 232,728.60 × 141,544.40
  4. Step 4: Simplify right side
    155,541.20x = 32,941,430,049.84
  5. Step 5: Solve for x
    x = 32,941,430,049.84/155,541.20
  6. Step 6: Final answer
    x = 211,785.88

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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.