Home / 162,564.20-243,846.30-121,092.20

Finding the Fourth Proportional to 162,564.20, 243,846.30 and 121,092.20

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Solution

The fourth proportional to 162,564.20, 243,846.30 and 121,092.20 is: 181,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,564.20 : 243,846.30 = 121,092.20 : x
  2. Step 2: Convert to fraction form
    162,564.20/243,846.30 = 121,092.20/x
  3. Step 3: Cross multiply
    162,564.20x = 243,846.30 × 121,092.20
  4. Step 4: Simplify right side
    162,564.20x = 29,527,884,928.86
  5. Step 5: Solve for x
    x = 29,527,884,928.86/162,564.20
  6. Step 6: Final answer
    x = 181,638.30

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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.