Home / 140,337.29-193,663.20-76,673.72

Finding the Fourth Proportional to 140,337.29, 193,663.20 and 76,673.72

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Solution

The fourth proportional to 140,337.29, 193,663.20 and 76,673.72 is: 105,808.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,337.29 : 193,663.20 = 76,673.72 : x
  2. Step 2: Convert to fraction form
    140,337.29/193,663.20 = 76,673.72/x
  3. Step 3: Cross multiply
    140,337.29x = 193,663.20 × 76,673.72
  4. Step 4: Simplify right side
    140,337.29x = 14,848,878,742.79
  5. Step 5: Solve for x
    x = 14,848,878,742.79/140,337.29
  6. Step 6: Final answer
    x = 105,808.50

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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.