Home / 135,740.13-203,678.10-60,913.77

Finding the Fourth Proportional to 135,740.13, 203,678.10 and 60,913.77

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Solution

The fourth proportional to 135,740.13, 203,678.10 and 60,913.77 is: 91,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,740.13 : 203,678.10 = 60,913.77 : x
  2. Step 2: Convert to fraction form
    135,740.13/203,678.10 = 60,913.77/x
  3. Step 3: Cross multiply
    135,740.13x = 203,678.10 × 60,913.77
  4. Step 4: Simplify right side
    135,740.13x = 12,406,800,937.44
  5. Step 5: Solve for x
    x = 12,406,800,937.44/135,740.13
  6. Step 6: Final answer
    x = 91,401.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.