Home / 210,634.14-316,006.56-75,711.90

Finding the Fourth Proportional to 210,634.14, 316,006.56 and 75,711.90

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Solution

The fourth proportional to 210,634.14, 316,006.56 and 75,711.90 is: 113,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,634.14 : 316,006.56 = 75,711.90 : x
  2. Step 2: Convert to fraction form
    210,634.14/316,006.56 = 75,711.90/x
  3. Step 3: Cross multiply
    210,634.14x = 316,006.56 × 75,711.90
  4. Step 4: Simplify right side
    210,634.14x = 23,925,457,070.06
  5. Step 5: Solve for x
    x = 23,925,457,070.06/210,634.14
  6. Step 6: Final answer
    x = 113,587.75

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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.