Home / 186,225.14-279,217.50-79,678.62

Finding the Fourth Proportional to 186,225.14, 279,217.50 and 79,678.62

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Solution

The fourth proportional to 186,225.14, 279,217.50 and 79,678.62 is: 119,466.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,225.14 : 279,217.50 = 79,678.62 : x
  2. Step 2: Convert to fraction form
    186,225.14/279,217.50 = 79,678.62/x
  3. Step 3: Cross multiply
    186,225.14x = 279,217.50 × 79,678.62
  4. Step 4: Simplify right side
    186,225.14x = 22,247,665,079.85
  5. Step 5: Solve for x
    x = 22,247,665,079.85/186,225.14
  6. Step 6: Final answer
    x = 119,466.50

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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.