Home / 140,306.99-193,669.79-111,679.16

Finding the Fourth Proportional to 140,306.99, 193,669.79 and 111,679.16

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Solution

The fourth proportional to 140,306.99, 193,669.79 and 111,679.16 is: 154,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,306.99 : 193,669.79 = 111,679.16 : x
  2. Step 2: Convert to fraction form
    140,306.99/193,669.79 = 111,679.16/x
  3. Step 3: Cross multiply
    140,306.99x = 193,669.79 × 111,679.16
  4. Step 4: Simplify right side
    140,306.99x = 21,628,877,937.83
  5. Step 5: Solve for x
    x = 21,628,877,937.83/140,306.99
  6. Step 6: Final answer
    x = 154,153.96

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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.