Home / 114,765.20-158,379.82-63,780.08

Finding the Fourth Proportional to 114,765.20, 158,379.82 and 63,780.08

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Solution

The fourth proportional to 114,765.20, 158,379.82 and 63,780.08 is: 88,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,765.20 : 158,379.82 = 63,780.08 : x
  2. Step 2: Convert to fraction form
    114,765.20/158,379.82 = 63,780.08/x
  3. Step 3: Cross multiply
    114,765.20x = 158,379.82 × 63,780.08
  4. Step 4: Simplify right side
    114,765.20x = 10,101,477,888.29
  5. Step 5: Solve for x
    x = 10,101,477,888.29/114,765.20
  6. Step 6: Final answer
    x = 88,018.65

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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.