Home / 93,654.40-140,359.02-81,778.24

Finding the Fourth Proportional to 93,654.40, 140,359.02 and 81,778.24

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Solution

The fourth proportional to 93,654.40, 140,359.02 and 81,778.24 is: 122,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,654.40 : 140,359.02 = 81,778.24 : x
  2. Step 2: Convert to fraction form
    93,654.40/140,359.02 = 81,778.24/x
  3. Step 3: Cross multiply
    93,654.40x = 140,359.02 × 81,778.24
  4. Step 4: Simplify right side
    93,654.40x = 11,478,313,623.72
  5. Step 5: Solve for x
    x = 11,478,313,623.72/93,654.40
  6. Step 6: Final answer
    x = 122,560.32

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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.