Home / 178,688.56-246,572.76-103,235.44

Finding the Fourth Proportional to 178,688.56, 246,572.76 and 103,235.44

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Solution

The fourth proportional to 178,688.56, 246,572.76 and 103,235.44 is: 142,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,688.56 : 246,572.76 = 103,235.44 : x
  2. Step 2: Convert to fraction form
    178,688.56/246,572.76 = 103,235.44/x
  3. Step 3: Cross multiply
    178,688.56x = 246,572.76 × 103,235.44
  4. Step 4: Simplify right side
    178,688.56x = 25,455,047,370.61
  5. Step 5: Solve for x
    x = 25,455,047,370.61/178,688.56
  6. Step 6: Final answer
    x = 142,454.82

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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.