Home / 110,420.26-152,434.58-76,454.79

Finding the Fourth Proportional to 110,420.26, 152,434.58 and 76,454.79

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Solution

The fourth proportional to 110,420.26, 152,434.58 and 76,454.79 is: 105,545.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,420.26 : 152,434.58 = 76,454.79 : x
  2. Step 2: Convert to fraction form
    110,420.26/152,434.58 = 76,454.79/x
  3. Step 3: Cross multiply
    110,420.26x = 152,434.58 × 76,454.79
  4. Step 4: Simplify right side
    110,420.26x = 11,654,353,493.82
  5. Step 5: Solve for x
    x = 11,654,353,493.82/110,420.26
  6. Step 6: Final answer
    x = 105,545.42

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1.5x scale

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.