Home / 465,225.28-697,837.92-128,268.52

Finding the Fourth Proportional to 465,225.28, 697,837.92 and 128,268.52

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Solution

The fourth proportional to 465,225.28, 697,837.92 and 128,268.52 is: 192,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,225.28 : 697,837.92 = 128,268.52 : x
  2. Step 2: Convert to fraction form
    465,225.28/697,837.92 = 128,268.52/x
  3. Step 3: Cross multiply
    465,225.28x = 697,837.92 × 128,268.52
  4. Step 4: Simplify right side
    465,225.28x = 89,510,637,198.28
  5. Step 5: Solve for x
    x = 89,510,637,198.28/465,225.28
  6. Step 6: Final answer
    x = 192,402.78

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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.