Home / 162,420.18-243,656.55-50,074.13

Finding the Fourth Proportional to 162,420.18, 243,656.55 and 50,074.13

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Solution

The fourth proportional to 162,420.18, 243,656.55 and 50,074.13 is: 75,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,420.18 : 243,656.55 = 50,074.13 : x
  2. Step 2: Convert to fraction form
    162,420.18/243,656.55 = 50,074.13/x
  3. Step 3: Cross multiply
    162,420.18x = 243,656.55 × 50,074.13
  4. Step 4: Simplify right side
    162,420.18x = 12,200,888,541.77
  5. Step 5: Solve for x
    x = 12,200,888,541.77/162,420.18
  6. Step 6: Final answer
    x = 75,119.29

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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.