Home / 239,023.22-329,871.35-137,058.19

Finding the Fourth Proportional to 239,023.22, 329,871.35 and 137,058.19

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Solution

The fourth proportional to 239,023.22, 329,871.35 and 137,058.19 is: 189,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,023.22 : 329,871.35 = 137,058.19 : x
  2. Step 2: Convert to fraction form
    239,023.22/329,871.35 = 137,058.19/x
  3. Step 3: Cross multiply
    239,023.22x = 329,871.35 × 137,058.19
  4. Step 4: Simplify right side
    239,023.22x = 45,211,569,681.82
  5. Step 5: Solve for x
    x = 45,211,569,681.82/239,023.22
  6. Step 6: Final answer
    x = 189,151.37

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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.