Home / 136,151.01-187,860.60-79,551.45

Finding the Fourth Proportional to 136,151.01, 187,860.60 and 79,551.45

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Solution

The fourth proportional to 136,151.01, 187,860.60 and 79,551.45 is: 109,764.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,151.01 : 187,860.60 = 79,551.45 : x
  2. Step 2: Convert to fraction form
    136,151.01/187,860.60 = 79,551.45/x
  3. Step 3: Cross multiply
    136,151.01x = 187,860.60 × 79,551.45
  4. Step 4: Simplify right side
    136,151.01x = 14,944,583,127.87
  5. Step 5: Solve for x
    x = 14,944,583,127.87/136,151.01
  6. Step 6: Final answer
    x = 109,764.76

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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.