Home / 147,256.03-203,191.18-82,712.90

Finding the Fourth Proportional to 147,256.03, 203,191.18 and 82,712.90

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Solution

The fourth proportional to 147,256.03, 203,191.18 and 82,712.90 is: 114,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,256.03 : 203,191.18 = 82,712.90 : x
  2. Step 2: Convert to fraction form
    147,256.03/203,191.18 = 82,712.90/x
  3. Step 3: Cross multiply
    147,256.03x = 203,191.18 × 82,712.90
  4. Step 4: Simplify right side
    147,256.03x = 16,806,532,053.42
  5. Step 5: Solve for x
    x = 16,806,532,053.42/147,256.03
  6. Step 6: Final answer
    x = 114,131.37

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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.