Home / 117,800.08-176,656.76-38,890.96

Finding the Fourth Proportional to 117,800.08, 176,656.76 and 38,890.96

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Solution

The fourth proportional to 117,800.08, 176,656.76 and 38,890.96 is: 58,322.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,800.08 : 176,656.76 = 38,890.96 : x
  2. Step 2: Convert to fraction form
    117,800.08/176,656.76 = 38,890.96/x
  3. Step 3: Cross multiply
    117,800.08x = 176,656.76 × 38,890.96
  4. Step 4: Simplify right side
    117,800.08x = 6,870,350,986.89
  5. Step 5: Solve for x
    x = 6,870,350,986.89/117,800.08
  6. Step 6: Final answer
    x = 58,322.12

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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.