Home / 243,576.46-336,151.20-136,146.88

Finding the Fourth Proportional to 243,576.46, 336,151.20 and 136,146.88

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Solution

The fourth proportional to 243,576.46, 336,151.20 and 136,146.88 is: 187,891.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,576.46 : 336,151.20 = 136,146.88 : x
  2. Step 2: Convert to fraction form
    243,576.46/336,151.20 = 136,146.88/x
  3. Step 3: Cross multiply
    243,576.46x = 336,151.20 × 136,146.88
  4. Step 4: Simplify right side
    243,576.46x = 45,765,937,088.26
  5. Step 5: Solve for x
    x = 45,765,937,088.26/243,576.46
  6. Step 6: Final answer
    x = 187,891.46

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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.