Home / 194,722.20-292,160.10-76,373.40

Finding the Fourth Proportional to 194,722.20, 292,160.10 and 76,373.40

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Solution

The fourth proportional to 194,722.20, 292,160.10 and 76,373.40 is: 114,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,722.20 : 292,160.10 = 76,373.40 : x
  2. Step 2: Convert to fraction form
    194,722.20/292,160.10 = 76,373.40/x
  3. Step 3: Cross multiply
    194,722.20x = 292,160.10 × 76,373.40
  4. Step 4: Simplify right side
    194,722.20x = 22,313,260,181.34
  5. Step 5: Solve for x
    x = 22,313,260,181.34/194,722.20
  6. Step 6: Final answer
    x = 114,590.22

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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.