Home / 179,678.04-269,575.38-86,191.08

Finding the Fourth Proportional to 179,678.04, 269,575.38 and 86,191.08

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Solution

The fourth proportional to 179,678.04, 269,575.38 and 86,191.08 is: 129,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,678.04 : 269,575.38 = 86,191.08 : x
  2. Step 2: Convert to fraction form
    179,678.04/269,575.38 = 86,191.08/x
  3. Step 3: Cross multiply
    179,678.04x = 269,575.38 × 86,191.08
  4. Step 4: Simplify right side
    179,678.04x = 23,234,993,143.61
  5. Step 5: Solve for x
    x = 23,234,993,143.61/179,678.04
  6. Step 6: Final answer
    x = 129,314.60

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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.