Home / 231,282.24-319,134.24-130,643.52

Finding the Fourth Proportional to 231,282.24, 319,134.24 and 130,643.52

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Solution

The fourth proportional to 231,282.24, 319,134.24 and 130,643.52 is: 180,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,282.24 : 319,134.24 = 130,643.52 : x
  2. Step 2: Convert to fraction form
    231,282.24/319,134.24 = 130,643.52/x
  3. Step 3: Cross multiply
    231,282.24x = 319,134.24 × 130,643.52
  4. Step 4: Simplify right side
    231,282.24x = 41,692,820,466.12
  5. Step 5: Solve for x
    x = 41,692,820,466.12/231,282.24
  6. Step 6: Final answer
    x = 180,268.15

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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.