Home / 123,267.33-170,079.56-85,014.65

Finding the Fourth Proportional to 123,267.33, 170,079.56 and 85,014.65

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Solution

The fourth proportional to 123,267.33, 170,079.56 and 85,014.65 is: 117,299.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,267.33 : 170,079.56 = 85,014.65 : x
  2. Step 2: Convert to fraction form
    123,267.33/170,079.56 = 85,014.65/x
  3. Step 3: Cross multiply
    123,267.33x = 170,079.56 × 85,014.65
  4. Step 4: Simplify right side
    123,267.33x = 14,459,252,990.08
  5. Step 5: Solve for x
    x = 14,459,252,990.08/123,267.33
  6. Step 6: Final answer
    x = 117,299.96

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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.