Home / 178,731.33-268,133.95-52,375.72

Finding the Fourth Proportional to 178,731.33, 268,133.95 and 52,375.72

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Solution

The fourth proportional to 178,731.33, 268,133.95 and 52,375.72 is: 78,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,731.33 : 268,133.95 = 52,375.72 : x
  2. Step 2: Convert to fraction form
    178,731.33/268,133.95 = 52,375.72/x
  3. Step 3: Cross multiply
    178,731.33x = 268,133.95 × 52,375.72
  4. Step 4: Simplify right side
    178,731.33x = 14,043,707,347.02
  5. Step 5: Solve for x
    x = 14,043,707,347.02/178,731.33
  6. Step 6: Final answer
    x = 78,574.40

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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.