Home / 124,267.20-171,488.96-67,678.88

Finding the Fourth Proportional to 124,267.20, 171,488.96 and 67,678.88

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Solution

The fourth proportional to 124,267.20, 171,488.96 and 67,678.88 is: 93,396.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,267.20 : 171,488.96 = 67,678.88 : x
  2. Step 2: Convert to fraction form
    124,267.20/171,488.96 = 67,678.88/x
  3. Step 3: Cross multiply
    124,267.20x = 171,488.96 × 67,678.88
  4. Step 4: Simplify right side
    124,267.20x = 11,606,180,745.16
  5. Step 5: Solve for x
    x = 11,606,180,745.16/124,267.20
  6. Step 6: Final answer
    x = 93,396.98

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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.