Home / 194,785.20-292,177.80-76,460.40

Finding the Fourth Proportional to 194,785.20, 292,177.80 and 76,460.40

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Solution

The fourth proportional to 194,785.20, 292,177.80 and 76,460.40 is: 114,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,785.20 : 292,177.80 = 76,460.40 : x
  2. Step 2: Convert to fraction form
    194,785.20/292,177.80 = 76,460.40/x
  3. Step 3: Cross multiply
    194,785.20x = 292,177.80 × 76,460.40
  4. Step 4: Simplify right side
    194,785.20x = 22,340,031,459.12
  5. Step 5: Solve for x
    x = 22,340,031,459.12/194,785.20
  6. Step 6: Final answer
    x = 114,690.60

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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.