Home / 239,775.22-330,884.74-130,875.96

Finding the Fourth Proportional to 239,775.22, 330,884.74 and 130,875.96

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Solution

The fourth proportional to 239,775.22, 330,884.74 and 130,875.96 is: 180,606.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,775.22 : 330,884.74 = 130,875.96 : x
  2. Step 2: Convert to fraction form
    239,775.22/330,884.74 = 130,875.96/x
  3. Step 3: Cross multiply
    239,775.22x = 330,884.74 × 130,875.96
  4. Step 4: Simplify right side
    239,775.22x = 43,304,857,996.85
  5. Step 5: Solve for x
    x = 43,304,857,996.85/239,775.22
  6. Step 6: Final answer
    x = 180,606.06

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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.