Home / 192,002.90-287,761.35-73,516.10

Finding the Fourth Proportional to 192,002.90, 287,761.35 and 73,516.10

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Solution

The fourth proportional to 192,002.90, 287,761.35 and 73,516.10 is: 110,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,002.90 : 287,761.35 = 73,516.10 : x
  2. Step 2: Convert to fraction form
    192,002.90/287,761.35 = 73,516.10/x
  3. Step 3: Cross multiply
    192,002.90x = 287,761.35 × 73,516.10
  4. Step 4: Simplify right side
    192,002.90x = 21,155,092,182.74
  5. Step 5: Solve for x
    x = 21,155,092,182.74/192,002.90
  6. Step 6: Final answer
    x = 110,181.11

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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.