Home / 106,316.30-159,474.45-71,065.10

Finding the Fourth Proportional to 106,316.30, 159,474.45 and 71,065.10

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Solution

The fourth proportional to 106,316.30, 159,474.45 and 71,065.10 is: 106,597.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,316.30 : 159,474.45 = 71,065.10 : x
  2. Step 2: Convert to fraction form
    106,316.30/159,474.45 = 71,065.10/x
  3. Step 3: Cross multiply
    106,316.30x = 159,474.45 × 71,065.10
  4. Step 4: Simplify right side
    106,316.30x = 11,333,067,736.70
  5. Step 5: Solve for x
    x = 11,333,067,736.70/106,316.30
  6. Step 6: Final answer
    x = 106,597.65

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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.