Home / 188,320.02-282,479.90-48,078.60

Finding the Fourth Proportional to 188,320.02, 282,479.90 and 48,078.60

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Solution

The fourth proportional to 188,320.02, 282,479.90 and 48,078.60 is: 72,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,320.02 : 282,479.90 = 48,078.60 : x
  2. Step 2: Convert to fraction form
    188,320.02/282,479.90 = 48,078.60/x
  3. Step 3: Cross multiply
    188,320.02x = 282,479.90 × 48,078.60
  4. Step 4: Simplify right side
    188,320.02x = 13,581,238,120.14
  5. Step 5: Solve for x
    x = 13,581,238,120.14/188,320.02
  6. Step 6: Final answer
    x = 72,117.87

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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.