Home / 147,290.92-203,261.40-80,222.92

Finding the Fourth Proportional to 147,290.92, 203,261.40 and 80,222.92

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Solution

The fourth proportional to 147,290.92, 203,261.40 and 80,222.92 is: 110,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,290.92 : 203,261.40 = 80,222.92 : x
  2. Step 2: Convert to fraction form
    147,290.92/203,261.40 = 80,222.92/x
  3. Step 3: Cross multiply
    147,290.92x = 203,261.40 × 80,222.92
  4. Step 4: Simplify right side
    147,290.92x = 16,306,223,031.29
  5. Step 5: Solve for x
    x = 16,306,223,031.29/147,290.92
  6. Step 6: Final answer
    x = 110,707.59

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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.