Home / 204,637.28-282,516.50-135,820.07

Finding the Fourth Proportional to 204,637.28, 282,516.50 and 135,820.07

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Solution

The fourth proportional to 204,637.28, 282,516.50 and 135,820.07 is: 187,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,637.28 : 282,516.50 = 135,820.07 : x
  2. Step 2: Convert to fraction form
    204,637.28/282,516.50 = 135,820.07/x
  3. Step 3: Cross multiply
    204,637.28x = 282,516.50 × 135,820.07
  4. Step 4: Simplify right side
    204,637.28x = 38,371,410,806.16
  5. Step 5: Solve for x
    x = 38,371,410,806.16/204,637.28
  6. Step 6: Final answer
    x = 187,509.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.