Home / 153,089.10-229,738.12-53,248.30

Finding the Fourth Proportional to 153,089.10, 229,738.12 and 53,248.30

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Solution

The fourth proportional to 153,089.10, 229,738.12 and 53,248.30 is: 79,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,089.10 : 229,738.12 = 53,248.30 : x
  2. Step 2: Convert to fraction form
    153,089.10/229,738.12 = 53,248.30/x
  3. Step 3: Cross multiply
    153,089.10x = 229,738.12 × 53,248.30
  4. Step 4: Simplify right side
    153,089.10x = 12,233,164,335.20
  5. Step 5: Solve for x
    x = 12,233,164,335.20/153,089.10
  6. Step 6: Final answer
    x = 79,908.79

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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.