Home / 147,266.10-203,228.19-83,604.96

Finding the Fourth Proportional to 147,266.10, 203,228.19 and 83,604.96

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Solution

The fourth proportional to 147,266.10, 203,228.19 and 83,604.96 is: 115,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,266.10 : 203,228.19 = 83,604.96 : x
  2. Step 2: Convert to fraction form
    147,266.10/203,228.19 = 83,604.96/x
  3. Step 3: Cross multiply
    147,266.10x = 203,228.19 × 83,604.96
  4. Step 4: Simplify right side
    147,266.10x = 16,990,884,695.82
  5. Step 5: Solve for x
    x = 16,990,884,695.82/147,266.10
  6. Step 6: Final answer
    x = 115,375.40

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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.