Home / 92,228.40-138,342.62-71,199.13

Finding the Fourth Proportional to 92,228.40, 138,342.62 and 71,199.13

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Solution

The fourth proportional to 92,228.40, 138,342.62 and 71,199.13 is: 106,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,228.40 : 138,342.62 = 71,199.13 : x
  2. Step 2: Convert to fraction form
    92,228.40/138,342.62 = 71,199.13/x
  3. Step 3: Cross multiply
    92,228.40x = 138,342.62 × 71,199.13
  4. Step 4: Simplify right side
    92,228.40x = 9,849,874,185.92
  5. Step 5: Solve for x
    x = 9,849,874,185.92/92,228.40
  6. Step 6: Final answer
    x = 106,798.72

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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.