Home / 210,960.03-316,472.91-70,685.85

Finding the Fourth Proportional to 210,960.03, 316,472.91 and 70,685.85

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Solution

The fourth proportional to 210,960.03, 316,472.91 and 70,685.85 is: 106,039.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,960.03 : 316,472.91 = 70,685.85 : x
  2. Step 2: Convert to fraction form
    210,960.03/316,472.91 = 70,685.85/x
  3. Step 3: Cross multiply
    210,960.03x = 316,472.91 × 70,685.85
  4. Step 4: Simplify right side
    210,960.03x = 22,370,156,645.32
  5. Step 5: Solve for x
    x = 22,370,156,645.32/210,960.03
  6. Step 6: Final answer
    x = 106,039.79

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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.