Home / 239,335.27-330,276.98-130,443.05

Finding the Fourth Proportional to 239,335.27, 330,276.98 and 130,443.05

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Solution

The fourth proportional to 239,335.27, 330,276.98 and 130,443.05 is: 180,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,335.27 : 330,276.98 = 130,443.05 : x
  2. Step 2: Convert to fraction form
    239,335.27/330,276.98 = 130,443.05/x
  3. Step 3: Cross multiply
    239,335.27x = 330,276.98 × 130,443.05
  4. Step 4: Simplify right side
    239,335.27x = 43,082,334,964.60
  5. Step 5: Solve for x
    x = 43,082,334,964.60/239,335.27
  6. Step 6: Final answer
    x = 180,008.30

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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.