Home / 135,888.30-187,527.69-75,462.84

Finding the Fourth Proportional to 135,888.30, 187,527.69 and 75,462.84

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Solution

The fourth proportional to 135,888.30, 187,527.69 and 75,462.84 is: 104,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,888.30 : 187,527.69 = 75,462.84 : x
  2. Step 2: Convert to fraction form
    135,888.30/187,527.69 = 75,462.84/x
  3. Step 3: Cross multiply
    135,888.30x = 187,527.69 × 75,462.84
  4. Step 4: Simplify right side
    135,888.30x = 14,151,372,066.04
  5. Step 5: Solve for x
    x = 14,151,372,066.04/135,888.30
  6. Step 6: Final answer
    x = 104,139.74

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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.