Home / 156,729.20-235,093.80-83,001.20

Finding the Fourth Proportional to 156,729.20, 235,093.80 and 83,001.20

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Solution

The fourth proportional to 156,729.20, 235,093.80 and 83,001.20 is: 124,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,729.20 : 235,093.80 = 83,001.20 : x
  2. Step 2: Convert to fraction form
    156,729.20/235,093.80 = 83,001.20/x
  3. Step 3: Cross multiply
    156,729.20x = 235,093.80 × 83,001.20
  4. Step 4: Simplify right side
    156,729.20x = 19,513,067,512.56
  5. Step 5: Solve for x
    x = 19,513,067,512.56/156,729.20
  6. Step 6: Final answer
    x = 124,501.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.