Home / 239,275.40-330,142.28-157,595.00

Finding the Fourth Proportional to 239,275.40, 330,142.28 and 157,595.00

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Solution

The fourth proportional to 239,275.40, 330,142.28 and 157,595.00 is: 217,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,275.40 : 330,142.28 = 157,595.00 : x
  2. Step 2: Convert to fraction form
    239,275.40/330,142.28 = 157,595.00/x
  3. Step 3: Cross multiply
    239,275.40x = 330,142.28 × 157,595.00
  4. Step 4: Simplify right side
    239,275.40x = 52,028,770,177.91
  5. Step 5: Solve for x
    x = 52,028,770,177.91/239,275.40
  6. Step 6: Final answer
    x = 217,443.04

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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.