Home / 140,269.65-193,573.34-79,844.18

Finding the Fourth Proportional to 140,269.65, 193,573.34 and 79,844.18

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Solution

The fourth proportional to 140,269.65, 193,573.34 and 79,844.18 is: 110,185.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,269.65 : 193,573.34 = 79,844.18 : x
  2. Step 2: Convert to fraction form
    140,269.65/193,573.34 = 79,844.18/x
  3. Step 3: Cross multiply
    140,269.65x = 193,573.34 × 79,844.18
  4. Step 4: Simplify right side
    140,269.65x = 15,455,705,072.46
  5. Step 5: Solve for x
    x = 15,455,705,072.46/140,269.65
  6. Step 6: Final answer
    x = 110,185.67

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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.