Home / 492,061.20-738,091.80-159,637.20

Finding the Fourth Proportional to 492,061.20, 738,091.80 and 159,637.20

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Solution

The fourth proportional to 492,061.20, 738,091.80 and 159,637.20 is: 239,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,061.20 : 738,091.80 = 159,637.20 : x
  2. Step 2: Convert to fraction form
    492,061.20/738,091.80 = 159,637.20/x
  3. Step 3: Cross multiply
    492,061.20x = 738,091.80 × 159,637.20
  4. Step 4: Simplify right side
    492,061.20x = 117,826,908,294.96
  5. Step 5: Solve for x
    x = 117,826,908,294.96/492,061.20
  6. Step 6: Final answer
    x = 239,455.80

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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.