Home / 140,734.08-194,211.36-77,070.96

Finding the Fourth Proportional to 140,734.08, 194,211.36 and 77,070.96

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Solution

The fourth proportional to 140,734.08, 194,211.36 and 77,070.96 is: 106,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,734.08 : 194,211.36 = 77,070.96 : x
  2. Step 2: Convert to fraction form
    140,734.08/194,211.36 = 77,070.96/x
  3. Step 3: Cross multiply
    140,734.08x = 194,211.36 × 77,070.96
  4. Step 4: Simplify right side
    140,734.08x = 14,968,055,958.11
  5. Step 5: Solve for x
    x = 14,968,055,958.11/140,734.08
  6. Step 6: Final answer
    x = 106,357.01

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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.