Home / 157,216.74-235,685.76-112,731.54

Finding the Fourth Proportional to 157,216.74, 235,685.76 and 112,731.54

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Solution

The fourth proportional to 157,216.74, 235,685.76 and 112,731.54 is: 168,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,216.74 : 235,685.76 = 112,731.54 : x
  2. Step 2: Convert to fraction form
    157,216.74/235,685.76 = 112,731.54/x
  3. Step 3: Cross multiply
    157,216.74x = 235,685.76 × 112,731.54
  4. Step 4: Simplify right side
    157,216.74x = 26,569,218,680.87
  5. Step 5: Solve for x
    x = 26,569,218,680.87/157,216.74
  6. Step 6: Final answer
    x = 168,997.39

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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.