Home / 153,228.20-229,842.30-74,496.20

Finding the Fourth Proportional to 153,228.20, 229,842.30 and 74,496.20

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Solution

The fourth proportional to 153,228.20, 229,842.30 and 74,496.20 is: 111,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,228.20 : 229,842.30 = 74,496.20 : x
  2. Step 2: Convert to fraction form
    153,228.20/229,842.30 = 74,496.20/x
  3. Step 3: Cross multiply
    153,228.20x = 229,842.30 × 74,496.20
  4. Step 4: Simplify right side
    153,228.20x = 17,122,377,949.26
  5. Step 5: Solve for x
    x = 17,122,377,949.26/153,228.20
  6. Step 6: Final answer
    x = 111,744.30

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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.