Home / 202,100.13-303,148.97-52,340.04

Finding the Fourth Proportional to 202,100.13, 303,148.97 and 52,340.04

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Solution

The fourth proportional to 202,100.13, 303,148.97 and 52,340.04 is: 78,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,100.13 : 303,148.97 = 52,340.04 : x
  2. Step 2: Convert to fraction form
    202,100.13/303,148.97 = 52,340.04/x
  3. Step 3: Cross multiply
    202,100.13x = 303,148.97 × 52,340.04
  4. Step 4: Simplify right side
    202,100.13x = 15,866,829,215.76
  5. Step 5: Solve for x
    x = 15,866,829,215.76/202,100.13
  6. Step 6: Final answer
    x = 78,509.74

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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.