Home / 210,819.92-316,089.76-116,094.72

Finding the Fourth Proportional to 210,819.92, 316,089.76 and 116,094.72

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Solution

The fourth proportional to 210,819.92, 316,089.76 and 116,094.72 is: 174,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,819.92 : 316,089.76 = 116,094.72 : x
  2. Step 2: Convert to fraction form
    210,819.92/316,089.76 = 116,094.72/x
  3. Step 3: Cross multiply
    210,819.92x = 316,089.76 × 116,094.72
  4. Step 4: Simplify right side
    210,819.92x = 36,696,350,894.33
  5. Step 5: Solve for x
    x = 36,696,350,894.33/210,819.92
  6. Step 6: Final answer
    x = 174,064.91

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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.