Home / 147,428.76-203,452.26-83,770.04

Finding the Fourth Proportional to 147,428.76, 203,452.26 and 83,770.04

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Solution

The fourth proportional to 147,428.76, 203,452.26 and 83,770.04 is: 115,602.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,428.76 : 203,452.26 = 83,770.04 : x
  2. Step 2: Convert to fraction form
    147,428.76/203,452.26 = 83,770.04/x
  3. Step 3: Cross multiply
    147,428.76x = 203,452.26 × 83,770.04
  4. Step 4: Simplify right side
    147,428.76x = 17,043,203,958.29
  5. Step 5: Solve for x
    x = 17,043,203,958.29/147,428.76
  6. Step 6: Final answer
    x = 115,602.98

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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.