Home / 157,228.29-235,785.33-68,460.39

Finding the Fourth Proportional to 157,228.29, 235,785.33 and 68,460.39

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Solution

The fourth proportional to 157,228.29, 235,785.33 and 68,460.39 is: 102,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,228.29 : 235,785.33 = 68,460.39 : x
  2. Step 2: Convert to fraction form
    157,228.29/235,785.33 = 68,460.39/x
  3. Step 3: Cross multiply
    157,228.29x = 235,785.33 × 68,460.39
  4. Step 4: Simplify right side
    157,228.29x = 16,141,955,648.08
  5. Step 5: Solve for x
    x = 16,141,955,648.08/157,228.29
  6. Step 6: Final answer
    x = 102,665.72

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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.