Home / 155,427.30-233,083.80-55,560.42

Finding the Fourth Proportional to 155,427.30, 233,083.80 and 55,560.42

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Solution

The fourth proportional to 155,427.30, 233,083.80 and 55,560.42 is: 83,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,427.30 : 233,083.80 = 55,560.42 : x
  2. Step 2: Convert to fraction form
    155,427.30/233,083.80 = 55,560.42/x
  3. Step 3: Cross multiply
    155,427.30x = 233,083.80 × 55,560.42
  4. Step 4: Simplify right side
    155,427.30x = 12,950,233,823.20
  5. Step 5: Solve for x
    x = 12,950,233,823.20/155,427.30
  6. Step 6: Final answer
    x = 83,320.20

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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.