Home / 179,045.70-247,071.03-102,565.11

Finding the Fourth Proportional to 179,045.70, 247,071.03 and 102,565.11

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Solution

The fourth proportional to 179,045.70, 247,071.03 and 102,565.11 is: 141,532.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,045.70 : 247,071.03 = 102,565.11 : x
  2. Step 2: Convert to fraction form
    179,045.70/247,071.03 = 102,565.11/x
  3. Step 3: Cross multiply
    179,045.70x = 247,071.03 × 102,565.11
  4. Step 4: Simplify right side
    179,045.70x = 25,340,867,369.76
  5. Step 5: Solve for x
    x = 25,340,867,369.76/179,045.70
  6. Step 6: Final answer
    x = 141,532.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.