Home / 152,764.08-229,116.48-76,842.40

Finding the Fourth Proportional to 152,764.08, 229,116.48 and 76,842.40

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Solution

The fourth proportional to 152,764.08, 229,116.48 and 76,842.40 is: 115,248.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,764.08 : 229,116.48 = 76,842.40 : x
  2. Step 2: Convert to fraction form
    152,764.08/229,116.48 = 76,842.40/x
  3. Step 3: Cross multiply
    152,764.08x = 229,116.48 × 76,842.40
  4. Step 4: Simplify right side
    152,764.08x = 17,605,860,202.75
  5. Step 5: Solve for x
    x = 17,605,860,202.75/152,764.08
  6. Step 6: Final answer
    x = 115,248.69

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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.