Home / 108,155.12-162,241.20-38,050.16

Finding the Fourth Proportional to 108,155.12, 162,241.20 and 38,050.16

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Solution

The fourth proportional to 108,155.12, 162,241.20 and 38,050.16 is: 57,078.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,155.12 : 162,241.20 = 38,050.16 : x
  2. Step 2: Convert to fraction form
    108,155.12/162,241.20 = 38,050.16/x
  3. Step 3: Cross multiply
    108,155.12x = 162,241.20 × 38,050.16
  4. Step 4: Simplify right side
    108,155.12x = 6,173,303,618.59
  5. Step 5: Solve for x
    x = 6,173,303,618.59/108,155.12
  6. Step 6: Final answer
    x = 57,078.24

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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.