Home / 243,517.42-336,055.29-136,089.25

Finding the Fourth Proportional to 243,517.42, 336,055.29 and 136,089.25

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Solution

The fourth proportional to 243,517.42, 336,055.29 and 136,089.25 is: 187,803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,517.42 : 336,055.29 = 136,089.25 : x
  2. Step 2: Convert to fraction form
    243,517.42/336,055.29 = 136,089.25/x
  3. Step 3: Cross multiply
    243,517.42x = 336,055.29 × 136,089.25
  4. Step 4: Simplify right side
    243,517.42x = 45,733,511,024.16
  5. Step 5: Solve for x
    x = 45,733,511,024.16/243,517.42
  6. Step 6: Final answer
    x = 187,803.86

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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.