Home / 140,274.91-193,576.38-76,612.96

Finding the Fourth Proportional to 140,274.91, 193,576.38 and 76,612.96

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Solution

The fourth proportional to 140,274.91, 193,576.38 and 76,612.96 is: 105,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,274.91 : 193,576.38 = 76,612.96 : x
  2. Step 2: Convert to fraction form
    140,274.91/193,576.38 = 76,612.96/x
  3. Step 3: Cross multiply
    140,274.91x = 193,576.38 × 76,612.96
  4. Step 4: Simplify right side
    140,274.91x = 14,830,458,490.00
  5. Step 5: Solve for x
    x = 14,830,458,490.00/140,274.91
  6. Step 6: Final answer
    x = 105,724.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.