Home / 161,921.20-242,898-49,600.12

Finding the Fourth Proportional to 161,921.20, 242,898 and 49,600.12

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Solution

The fourth proportional to 161,921.20, 242,898 and 49,600.12 is: 74,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,921.20 : 242,898 = 49,600.12 : x
  2. Step 2: Convert to fraction form
    161,921.20/242,898 = 49,600.12/x
  3. Step 3: Cross multiply
    161,921.20x = 242,898 × 49,600.12
  4. Step 4: Simplify right side
    161,921.20x = 12,047,769,947.76
  5. Step 5: Solve for x
    x = 12,047,769,947.76/161,921.20
  6. Step 6: Final answer
    x = 74,405.14

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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.