Home / 210,917.01-316,400.18-74,098.12

Finding the Fourth Proportional to 210,917.01, 316,400.18 and 74,098.12

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Solution

The fourth proportional to 210,917.01, 316,400.18 and 74,098.12 is: 111,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,917.01 : 316,400.18 = 74,098.12 : x
  2. Step 2: Convert to fraction form
    210,917.01/316,400.18 = 74,098.12/x
  3. Step 3: Cross multiply
    210,917.01x = 316,400.18 × 74,098.12
  4. Step 4: Simplify right side
    210,917.01x = 23,444,659,518.67
  5. Step 5: Solve for x
    x = 23,444,659,518.67/210,917.01
  6. Step 6: Final answer
    x = 111,155.85

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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.