Home / 117,640.96-176,025.35-70,281.81

Finding the Fourth Proportional to 117,640.96, 176,025.35 and 70,281.81

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Solution

The fourth proportional to 117,640.96, 176,025.35 and 70,281.81 is: 105,162.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,640.96 : 176,025.35 = 70,281.81 : x
  2. Step 2: Convert to fraction form
    117,640.96/176,025.35 = 70,281.81/x
  3. Step 3: Cross multiply
    117,640.96x = 176,025.35 × 70,281.81
  4. Step 4: Simplify right side
    117,640.96x = 12,371,380,379.59
  5. Step 5: Solve for x
    x = 12,371,380,379.59/117,640.96
  6. Step 6: Final answer
    x = 105,162.19

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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.