Home / 188,479.28-282,718.20-48,237.68

Finding the Fourth Proportional to 188,479.28, 282,718.20 and 48,237.68

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Solution

The fourth proportional to 188,479.28, 282,718.20 and 48,237.68 is: 72,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,479.28 : 282,718.20 = 48,237.68 : x
  2. Step 2: Convert to fraction form
    188,479.28/282,718.20 = 48,237.68/x
  3. Step 3: Cross multiply
    188,479.28x = 282,718.20 × 48,237.68
  4. Step 4: Simplify right side
    188,479.28x = 13,637,670,061.78
  5. Step 5: Solve for x
    x = 13,637,670,061.78/188,479.28
  6. Step 6: Final answer
    x = 72,356.34

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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.