Home / 147,170.53-203,123.33-83,514.25

Finding the Fourth Proportional to 147,170.53, 203,123.33 and 83,514.25

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Solution

The fourth proportional to 147,170.53, 203,123.33 and 83,514.25 is: 115,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,170.53 : 203,123.33 = 83,514.25 : x
  2. Step 2: Convert to fraction form
    147,170.53/203,123.33 = 83,514.25/x
  3. Step 3: Cross multiply
    147,170.53x = 203,123.33 × 83,514.25
  4. Step 4: Simplify right side
    147,170.53x = 16,963,692,562.45
  5. Step 5: Solve for x
    x = 16,963,692,562.45/147,170.53
  6. Step 6: Final answer
    x = 115,265.55

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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.