Home / 156,863.76-235,341.81-57,022.38

Finding the Fourth Proportional to 156,863.76, 235,341.81 and 57,022.38

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Solution

The fourth proportional to 156,863.76, 235,341.81 and 57,022.38 is: 85,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,863.76 : 235,341.81 = 57,022.38 : x
  2. Step 2: Convert to fraction form
    156,863.76/235,341.81 = 57,022.38/x
  3. Step 3: Cross multiply
    156,863.76x = 235,341.81 × 57,022.38
  4. Step 4: Simplify right side
    156,863.76x = 13,419,750,119.71
  5. Step 5: Solve for x
    x = 13,419,750,119.71/156,863.76
  6. Step 6: Final answer
    x = 85,550.35

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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.