Home / 178,177.70-245,688.18-113,544.55

Finding the Fourth Proportional to 178,177.70, 245,688.18 and 113,544.55

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Solution

The fourth proportional to 178,177.70, 245,688.18 and 113,544.55 is: 156,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,177.70 : 245,688.18 = 113,544.55 : x
  2. Step 2: Convert to fraction form
    178,177.70/245,688.18 = 113,544.55/x
  3. Step 3: Cross multiply
    178,177.70x = 245,688.18 × 113,544.55
  4. Step 4: Simplify right side
    178,177.70x = 27,896,553,224.20
  5. Step 5: Solve for x
    x = 27,896,553,224.20/178,177.70
  6. Step 6: Final answer
    x = 156,565.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.