Home / 108,292.38-162,329.49-45,147.45

Finding the Fourth Proportional to 108,292.38, 162,329.49 and 45,147.45

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Solution

The fourth proportional to 108,292.38, 162,329.49 and 45,147.45 is: 67,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,292.38 : 162,329.49 = 45,147.45 : x
  2. Step 2: Convert to fraction form
    108,292.38/162,329.49 = 45,147.45/x
  3. Step 3: Cross multiply
    108,292.38x = 162,329.49 × 45,147.45
  4. Step 4: Simplify right side
    108,292.38x = 7,328,762,533.30
  5. Step 5: Solve for x
    x = 7,328,762,533.30/108,292.38
  6. Step 6: Final answer
    x = 67,675.70

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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.