Home / 135,667.86-187,222.13-75,244.08

Finding the Fourth Proportional to 135,667.86, 187,222.13 and 75,244.08

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Solution

The fourth proportional to 135,667.86, 187,222.13 and 75,244.08 is: 103,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,667.86 : 187,222.13 = 75,244.08 : x
  2. Step 2: Convert to fraction form
    135,667.86/187,222.13 = 75,244.08/x
  3. Step 3: Cross multiply
    135,667.86x = 187,222.13 × 75,244.08
  4. Step 4: Simplify right side
    135,667.86x = 14,087,356,551.27
  5. Step 5: Solve for x
    x = 14,087,356,551.27/135,667.86
  6. Step 6: Final answer
    x = 103,837.10

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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.