Home / 168,118.60-232,000.50-91,638.40

Finding the Fourth Proportional to 168,118.60, 232,000.50 and 91,638.40

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Solution

The fourth proportional to 168,118.60, 232,000.50 and 91,638.40 is: 126,459.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,118.60 : 232,000.50 = 91,638.40 : x
  2. Step 2: Convert to fraction form
    168,118.60/232,000.50 = 91,638.40/x
  3. Step 3: Cross multiply
    168,118.60x = 232,000.50 × 91,638.40
  4. Step 4: Simplify right side
    168,118.60x = 21,260,154,619.20
  5. Step 5: Solve for x
    x = 21,260,154,619.20/168,118.60
  6. Step 6: Final answer
    x = 126,459.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.