Home / 192,053.28-288,085.24-51,811.50

Finding the Fourth Proportional to 192,053.28, 288,085.24 and 51,811.50

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Solution

The fourth proportional to 192,053.28, 288,085.24 and 51,811.50 is: 77,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,053.28 : 288,085.24 = 51,811.50 : x
  2. Step 2: Convert to fraction form
    192,053.28/288,085.24 = 51,811.50/x
  3. Step 3: Cross multiply
    192,053.28x = 288,085.24 × 51,811.50
  4. Step 4: Simplify right side
    192,053.28x = 14,926,128,412.26
  5. Step 5: Solve for x
    x = 14,926,128,412.26/192,053.28
  6. Step 6: Final answer
    x = 77,718.69

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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.