Home / 210,723.50-316,085.26-62,979.50

Finding the Fourth Proportional to 210,723.50, 316,085.26 and 62,979.50

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Solution

The fourth proportional to 210,723.50, 316,085.26 and 62,979.50 is: 94,469.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,723.50 : 316,085.26 = 62,979.50 : x
  2. Step 2: Convert to fraction form
    210,723.50/316,085.26 = 62,979.50/x
  3. Step 3: Cross multiply
    210,723.50x = 316,085.26 × 62,979.50
  4. Step 4: Simplify right side
    210,723.50x = 19,906,891,632.17
  5. Step 5: Solve for x
    x = 19,906,891,632.17/210,723.50
  6. Step 6: Final answer
    x = 94,469.25

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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.