Home / 162,023.10-243,034.65-102,666.30

Finding the Fourth Proportional to 162,023.10, 243,034.65 and 102,666.30

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Solution

The fourth proportional to 162,023.10, 243,034.65 and 102,666.30 is: 153,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,023.10 : 243,034.65 = 102,666.30 : x
  2. Step 2: Convert to fraction form
    162,023.10/243,034.65 = 102,666.30/x
  3. Step 3: Cross multiply
    162,023.10x = 243,034.65 × 102,666.30
  4. Step 4: Simplify right side
    162,023.10x = 24,951,468,287.30
  5. Step 5: Solve for x
    x = 24,951,468,287.30/162,023.10
  6. Step 6: Final answer
    x = 153,999.45

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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.