Home / 136,703.52-188,600.40-80,094.24

Finding the Fourth Proportional to 136,703.52, 188,600.40 and 80,094.24

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Solution

The fourth proportional to 136,703.52, 188,600.40 and 80,094.24 is: 110,500.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,703.52 : 188,600.40 = 80,094.24 : x
  2. Step 2: Convert to fraction form
    136,703.52/188,600.40 = 80,094.24/x
  3. Step 3: Cross multiply
    136,703.52x = 188,600.40 × 80,094.24
  4. Step 4: Simplify right side
    136,703.52x = 15,105,805,701.70
  5. Step 5: Solve for x
    x = 15,105,805,701.70/136,703.52
  6. Step 6: Final answer
    x = 110,500.49

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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.