Home / 226,876.50-340,235.25-66,909.93

Finding the Fourth Proportional to 226,876.50, 340,235.25 and 66,909.93

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Solution

The fourth proportional to 226,876.50, 340,235.25 and 66,909.93 is: 100,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,876.50 : 340,235.25 = 66,909.93 : x
  2. Step 2: Convert to fraction form
    226,876.50/340,235.25 = 66,909.93/x
  3. Step 3: Cross multiply
    226,876.50x = 340,235.25 × 66,909.93
  4. Step 4: Simplify right side
    226,876.50x = 22,765,116,761.03
  5. Step 5: Solve for x
    x = 22,765,116,761.03/226,876.50
  6. Step 6: Final answer
    x = 100,341.45

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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.