Home / 162,023.60-243,035.40-102,666.80

Finding the Fourth Proportional to 162,023.60, 243,035.40 and 102,666.80

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Solution

The fourth proportional to 162,023.60, 243,035.40 and 102,666.80 is: 154,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,023.60 : 243,035.40 = 102,666.80 : x
  2. Step 2: Convert to fraction form
    162,023.60/243,035.40 = 102,666.80/x
  3. Step 3: Cross multiply
    162,023.60x = 243,035.40 × 102,666.80
  4. Step 4: Simplify right side
    162,023.60x = 24,951,666,804.72
  5. Step 5: Solve for x
    x = 24,951,666,804.72/162,023.60
  6. Step 6: Final answer
    x = 154,000.20

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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.