Home / 140,592.14-210,865.89-65,764.22

Finding the Fourth Proportional to 140,592.14, 210,865.89 and 65,764.22

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Solution

The fourth proportional to 140,592.14, 210,865.89 and 65,764.22 is: 98,635.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,592.14 : 210,865.89 = 65,764.22 : x
  2. Step 2: Convert to fraction form
    140,592.14/210,865.89 = 65,764.22/x
  3. Step 3: Cross multiply
    140,592.14x = 210,865.89 × 65,764.22
  4. Step 4: Simplify right side
    140,592.14x = 13,867,430,780.46
  5. Step 5: Solve for x
    x = 13,867,430,780.46/140,592.14
  6. Step 6: Final answer
    x = 98,635.89

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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.