Home / 147,986.27-204,221.46-94,259.78

Finding the Fourth Proportional to 147,986.27, 204,221.46 and 94,259.78

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Solution

The fourth proportional to 147,986.27, 204,221.46 and 94,259.78 is: 130,078.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,986.27 : 204,221.46 = 94,259.78 : x
  2. Step 2: Convert to fraction form
    147,986.27/204,221.46 = 94,259.78/x
  3. Step 3: Cross multiply
    147,986.27x = 204,221.46 × 94,259.78
  4. Step 4: Simplify right side
    147,986.27x = 19,249,868,869.77
  5. Step 5: Solve for x
    x = 19,249,868,869.77/147,986.27
  6. Step 6: Final answer
    x = 130,078.75

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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.