Home / 243,519.57-336,058.25-136,091.40

Finding the Fourth Proportional to 243,519.57, 336,058.25 and 136,091.40

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Solution

The fourth proportional to 243,519.57, 336,058.25 and 136,091.40 is: 187,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,519.57 : 336,058.25 = 136,091.40 : x
  2. Step 2: Convert to fraction form
    243,519.57/336,058.25 = 136,091.40/x
  3. Step 3: Cross multiply
    243,519.57x = 336,058.25 × 136,091.40
  4. Step 4: Simplify right side
    243,519.57x = 45,734,636,548.89
  5. Step 5: Solve for x
    x = 45,734,636,548.89/243,519.57
  6. Step 6: Final answer
    x = 187,806.82

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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.