Home / 243,519.76-336,058.51-136,091.59

Finding the Fourth Proportional to 243,519.76, 336,058.51 and 136,091.59

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Solution

The fourth proportional to 243,519.76, 336,058.51 and 136,091.59 is: 187,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,519.76 : 336,058.51 = 136,091.59 : x
  2. Step 2: Convert to fraction form
    243,519.76/336,058.51 = 136,091.59/x
  3. Step 3: Cross multiply
    243,519.76x = 336,058.51 × 136,091.59
  4. Step 4: Simplify right side
    243,519.76x = 45,734,735,278.64
  5. Step 5: Solve for x
    x = 45,734,735,278.64/243,519.76
  6. Step 6: Final answer
    x = 187,807.08

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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.