Home / 328,822.74-492,942.48-160,248.78

Finding the Fourth Proportional to 328,822.74, 492,942.48 and 160,248.78

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Solution

The fourth proportional to 328,822.74, 492,942.48 and 160,248.78 is: 240,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,822.74 : 492,942.48 = 160,248.78 : x
  2. Step 2: Convert to fraction form
    328,822.74/492,942.48 = 160,248.78/x
  3. Step 3: Cross multiply
    328,822.74x = 492,942.48 × 160,248.78
  4. Step 4: Simplify right side
    328,822.74x = 78,993,431,030.17
  5. Step 5: Solve for x
    x = 78,993,431,030.17/328,822.74
  6. Step 6: Final answer
    x = 240,231.05

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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.