Home / 155,124.06-232,687-55,288.14

Finding the Fourth Proportional to 155,124.06, 232,687 and 55,288.14

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Solution

The fourth proportional to 155,124.06, 232,687 and 55,288.14 is: 82,932.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,124.06 : 232,687 = 55,288.14 : x
  2. Step 2: Convert to fraction form
    155,124.06/232,687 = 55,288.14/x
  3. Step 3: Cross multiply
    155,124.06x = 232,687 × 55,288.14
  4. Step 4: Simplify right side
    155,124.06x = 12,864,831,432.18
  5. Step 5: Solve for x
    x = 12,864,831,432.18/155,124.06
  6. Step 6: Final answer
    x = 82,932.53

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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.