Home / 136,291.49-188,082.23-75,860.84

Finding the Fourth Proportional to 136,291.49, 188,082.23 and 75,860.84

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Solution

The fourth proportional to 136,291.49, 188,082.23 and 75,860.84 is: 104,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,291.49 : 188,082.23 = 75,860.84 : x
  2. Step 2: Convert to fraction form
    136,291.49/188,082.23 = 75,860.84/x
  3. Step 3: Cross multiply
    136,291.49x = 188,082.23 × 75,860.84
  4. Step 4: Simplify right side
    136,291.49x = 14,268,074,637.16
  5. Step 5: Solve for x
    x = 14,268,074,637.16/136,291.49
  6. Step 6: Final answer
    x = 104,687.94

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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.