Home / 194,851.20-292,353.60-76,502.40

Finding the Fourth Proportional to 194,851.20, 292,353.60 and 76,502.40

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Solution

The fourth proportional to 194,851.20, 292,353.60 and 76,502.40 is: 114,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,851.20 : 292,353.60 = 76,502.40 : x
  2. Step 2: Convert to fraction form
    194,851.20/292,353.60 = 76,502.40/x
  3. Step 3: Cross multiply
    194,851.20x = 292,353.60 × 76,502.40
  4. Step 4: Simplify right side
    194,851.20x = 22,365,752,048.64
  5. Step 5: Solve for x
    x = 22,365,752,048.64/194,851.20
  6. Step 6: Final answer
    x = 114,783.75

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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.