Home / 194,910.10-292,138.35-89,739.70

Finding the Fourth Proportional to 194,910.10, 292,138.35 and 89,739.70

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Solution

The fourth proportional to 194,910.10, 292,138.35 and 89,739.70 is: 134,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,910.10 : 292,138.35 = 89,739.70 : x
  2. Step 2: Convert to fraction form
    194,910.10/292,138.35 = 89,739.70/x
  3. Step 3: Cross multiply
    194,910.10x = 292,138.35 × 89,739.70
  4. Step 4: Simplify right side
    194,910.10x = 26,216,407,887.50
  5. Step 5: Solve for x
    x = 26,216,407,887.50/194,910.10
  6. Step 6: Final answer
    x = 134,505.13

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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.