Home / 140,343.26-193,676.60-76,685.27

Finding the Fourth Proportional to 140,343.26, 193,676.60 and 76,685.27

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Solution

The fourth proportional to 140,343.26, 193,676.60 and 76,685.27 is: 105,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,343.26 : 193,676.60 = 76,685.27 : x
  2. Step 2: Convert to fraction form
    140,343.26/193,676.60 = 76,685.27/x
  3. Step 3: Cross multiply
    140,343.26x = 193,676.60 × 76,685.27
  4. Step 4: Simplify right side
    140,343.26x = 14,852,141,587.01
  5. Step 5: Solve for x
    x = 14,852,141,587.01/140,343.26
  6. Step 6: Final answer
    x = 105,827.26

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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.