Home / 393,330.20-589,995.30-97,842.20

Finding the Fourth Proportional to 393,330.20, 589,995.30 and 97,842.20

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Solution

The fourth proportional to 393,330.20, 589,995.30 and 97,842.20 is: 146,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,330.20 : 589,995.30 = 97,842.20 : x
  2. Step 2: Convert to fraction form
    393,330.20/589,995.30 = 97,842.20/x
  3. Step 3: Cross multiply
    393,330.20x = 589,995.30 × 97,842.20
  4. Step 4: Simplify right side
    393,330.20x = 57,726,438,141.66
  5. Step 5: Solve for x
    x = 57,726,438,141.66/393,330.20
  6. Step 6: Final answer
    x = 146,763.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.