Home / 186,715.20-279,988.56-53,565.24

Finding the Fourth Proportional to 186,715.20, 279,988.56 and 53,565.24

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Solution

The fourth proportional to 186,715.20, 279,988.56 and 53,565.24 is: 80,323.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,715.20 : 279,988.56 = 53,565.24 : x
  2. Step 2: Convert to fraction form
    186,715.20/279,988.56 = 53,565.24/x
  3. Step 3: Cross multiply
    186,715.20x = 279,988.56 × 53,565.24
  4. Step 4: Simplify right side
    186,715.20x = 14,997,654,413.65
  5. Step 5: Solve for x
    x = 14,997,654,413.65/186,715.20
  6. Step 6: Final answer
    x = 80,323.69

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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.