Home / 108,246.80-162,370.20-96,971.60

Finding the Fourth Proportional to 108,246.80, 162,370.20 and 96,971.60

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Solution

The fourth proportional to 108,246.80, 162,370.20 and 96,971.60 is: 145,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,246.80 : 162,370.20 = 96,971.60 : x
  2. Step 2: Convert to fraction form
    108,246.80/162,370.20 = 96,971.60/x
  3. Step 3: Cross multiply
    108,246.80x = 162,370.20 × 96,971.60
  4. Step 4: Simplify right side
    108,246.80x = 15,745,298,086.32
  5. Step 5: Solve for x
    x = 15,745,298,086.32/108,246.80
  6. Step 6: Final answer
    x = 145,457.40

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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.