Home / 492,041.20-738,061.80-159,617.20

Finding the Fourth Proportional to 492,041.20, 738,061.80 and 159,617.20

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Solution

The fourth proportional to 492,041.20, 738,061.80 and 159,617.20 is: 239,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,041.20 : 738,061.80 = 159,617.20 : x
  2. Step 2: Convert to fraction form
    492,041.20/738,061.80 = 159,617.20/x
  3. Step 3: Cross multiply
    492,041.20x = 738,061.80 × 159,617.20
  4. Step 4: Simplify right side
    492,041.20x = 117,807,357,942.96
  5. Step 5: Solve for x
    x = 117,807,357,942.96/492,041.20
  6. Step 6: Final answer
    x = 239,425.80

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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.