Home / 140,248.44-193,559.40-78,996.63

Finding the Fourth Proportional to 140,248.44, 193,559.40 and 78,996.63

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Solution

The fourth proportional to 140,248.44, 193,559.40 and 78,996.63 is: 109,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,248.44 : 193,559.40 = 78,996.63 : x
  2. Step 2: Convert to fraction form
    140,248.44/193,559.40 = 78,996.63/x
  3. Step 3: Cross multiply
    140,248.44x = 193,559.40 × 78,996.63
  4. Step 4: Simplify right side
    140,248.44x = 15,290,540,304.82
  5. Step 5: Solve for x
    x = 15,290,540,304.82/140,248.44
  6. Step 6: Final answer
    x = 109,024.67

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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.