Home / 108,132.03-162,169.47-74,390.94

Finding the Fourth Proportional to 108,132.03, 162,169.47 and 74,390.94

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Solution

The fourth proportional to 108,132.03, 162,169.47 and 74,390.94 is: 111,566.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,132.03 : 162,169.47 = 74,390.94 : x
  2. Step 2: Convert to fraction form
    108,132.03/162,169.47 = 74,390.94/x
  3. Step 3: Cross multiply
    108,132.03x = 162,169.47 × 74,390.94
  4. Step 4: Simplify right side
    108,132.03x = 12,063,939,312.60
  5. Step 5: Solve for x
    x = 12,063,939,312.60/108,132.03
  6. Step 6: Final answer
    x = 111,566.75

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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.