Home / 231,423.24-319,235.55-134,616.19

Finding the Fourth Proportional to 231,423.24, 319,235.55 and 134,616.19

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Solution

The fourth proportional to 231,423.24, 319,235.55 and 134,616.19 is: 185,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,423.24 : 319,235.55 = 134,616.19 : x
  2. Step 2: Convert to fraction form
    231,423.24/319,235.55 = 134,616.19/x
  3. Step 3: Cross multiply
    231,423.24x = 319,235.55 × 134,616.19
  4. Step 4: Simplify right side
    231,423.24x = 42,974,273,453.55
  5. Step 5: Solve for x
    x = 42,974,273,453.55/231,423.24
  6. Step 6: Final answer
    x = 185,695.58

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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.