Home / 155,040.64-232,585.40-66,294.64

Finding the Fourth Proportional to 155,040.64, 232,585.40 and 66,294.64

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Solution

The fourth proportional to 155,040.64, 232,585.40 and 66,294.64 is: 99,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,040.64 : 232,585.40 = 66,294.64 : x
  2. Step 2: Convert to fraction form
    155,040.64/232,585.40 = 66,294.64/x
  3. Step 3: Cross multiply
    155,040.64x = 232,585.40 × 66,294.64
  4. Step 4: Simplify right side
    155,040.64x = 15,419,165,362.26
  5. Step 5: Solve for x
    x = 15,419,165,362.26/155,040.64
  6. Step 6: Final answer
    x = 99,452.41

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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.