Home / 239,240.23-330,199.34-137,334.59

Finding the Fourth Proportional to 239,240.23, 330,199.34 and 137,334.59

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Solution

The fourth proportional to 239,240.23, 330,199.34 and 137,334.59 is: 189,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,240.23 : 330,199.34 = 137,334.59 : x
  2. Step 2: Convert to fraction form
    239,240.23/330,199.34 = 137,334.59/x
  3. Step 3: Cross multiply
    239,240.23x = 330,199.34 × 137,334.59
  4. Step 4: Simplify right side
    239,240.23x = 45,347,789,877.75
  5. Step 5: Solve for x
    x = 45,347,789,877.75/239,240.23
  6. Step 6: Final answer
    x = 189,549.18

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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.