Home / 162,154.76-243,245.10-56,997.32

Finding the Fourth Proportional to 162,154.76, 243,245.10 and 56,997.32

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Solution

The fourth proportional to 162,154.76, 243,245.10 and 56,997.32 is: 85,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,154.76 : 243,245.10 = 56,997.32 : x
  2. Step 2: Convert to fraction form
    162,154.76/243,245.10 = 56,997.32/x
  3. Step 3: Cross multiply
    162,154.76x = 243,245.10 × 56,997.32
  4. Step 4: Simplify right side
    162,154.76x = 13,864,318,803.13
  5. Step 5: Solve for x
    x = 13,864,318,803.13/162,154.76
  6. Step 6: Final answer
    x = 85,500.54

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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.