Home / 210,005.76-314,965.68-60,205.92

Finding the Fourth Proportional to 210,005.76, 314,965.68 and 60,205.92

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Solution

The fourth proportional to 210,005.76, 314,965.68 and 60,205.92 is: 90,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,005.76 : 314,965.68 = 60,205.92 : x
  2. Step 2: Convert to fraction form
    210,005.76/314,965.68 = 60,205.92/x
  3. Step 3: Cross multiply
    210,005.76x = 314,965.68 × 60,205.92
  4. Step 4: Simplify right side
    210,005.76x = 18,962,798,532.83
  5. Step 5: Solve for x
    x = 18,962,798,532.83/210,005.76
  6. Step 6: Final answer
    x = 90,296.56

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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.