Home / 135,587.48-187,091.06-75,158.10

Finding the Fourth Proportional to 135,587.48, 187,091.06 and 75,158.10

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Solution

The fourth proportional to 135,587.48, 187,091.06 and 75,158.10 is: 103,707.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,587.48 : 187,091.06 = 75,158.10 : x
  2. Step 2: Convert to fraction form
    135,587.48/187,091.06 = 75,158.10/x
  3. Step 3: Cross multiply
    135,587.48x = 187,091.06 × 75,158.10
  4. Step 4: Simplify right side
    135,587.48x = 14,061,408,220.80
  5. Step 5: Solve for x
    x = 14,061,408,220.80/135,587.48
  6. Step 6: Final answer
    x = 103,707.28

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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.