Home / 130,734.38-196,138.84-64,193.70

Finding the Fourth Proportional to 130,734.38, 196,138.84 and 64,193.70

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Solution

The fourth proportional to 130,734.38, 196,138.84 and 64,193.70 is: 96,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,734.38 : 196,138.84 = 64,193.70 : x
  2. Step 2: Convert to fraction form
    130,734.38/196,138.84 = 64,193.70/x
  3. Step 3: Cross multiply
    130,734.38x = 196,138.84 × 64,193.70
  4. Step 4: Simplify right side
    130,734.38x = 12,590,877,853.31
  5. Step 5: Solve for x
    x = 12,590,877,853.31/130,734.38
  6. Step 6: Final answer
    x = 96,308.85

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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.