Home / 147,295.10-203,286.21-89,922.40

Finding the Fourth Proportional to 147,295.10, 203,286.21 and 89,922.40

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Solution

The fourth proportional to 147,295.10, 203,286.21 and 89,922.40 is: 124,104.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,295.10 : 203,286.21 = 89,922.40 : x
  2. Step 2: Convert to fraction form
    147,295.10/203,286.21 = 89,922.40/x
  3. Step 3: Cross multiply
    147,295.10x = 203,286.21 × 89,922.40
  4. Step 4: Simplify right side
    147,295.10x = 18,279,983,044.68
  5. Step 5: Solve for x
    x = 18,279,983,044.68/147,295.10
  6. Step 6: Final answer
    x = 124,104.49

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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.