Home / 243,580.29-336,139.84-136,150.29

Finding the Fourth Proportional to 243,580.29, 336,139.84 and 136,150.29

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Solution

The fourth proportional to 243,580.29, 336,139.84 and 136,150.29 is: 187,886.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,580.29 : 336,139.84 = 136,150.29 : x
  2. Step 2: Convert to fraction form
    243,580.29/336,139.84 = 136,150.29/x
  3. Step 3: Cross multiply
    243,580.29x = 336,139.84 × 136,150.29
  4. Step 4: Simplify right side
    243,580.29x = 45,765,536,696.55
  5. Step 5: Solve for x
    x = 45,765,536,696.55/243,580.29
  6. Step 6: Final answer
    x = 187,886.86

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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.