Home / 102,191.93-140,904.24-69,942.11

Finding the Fourth Proportional to 102,191.93, 140,904.24 and 69,942.11

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Solution

The fourth proportional to 102,191.93, 140,904.24 and 69,942.11 is: 96,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,191.93 : 140,904.24 = 69,942.11 : x
  2. Step 2: Convert to fraction form
    102,191.93/140,904.24 = 69,942.11/x
  3. Step 3: Cross multiply
    102,191.93x = 140,904.24 × 69,942.11
  4. Step 4: Simplify right side
    102,191.93x = 9,855,139,415.13
  5. Step 5: Solve for x
    x = 9,855,139,415.13/102,191.93
  6. Step 6: Final answer
    x = 96,437.55

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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.