Home / 135,727.18-187,295.05-75,296.59

Finding the Fourth Proportional to 135,727.18, 187,295.05 and 75,296.59

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Solution

The fourth proportional to 135,727.18, 187,295.05 and 75,296.59 is: 103,904.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,727.18 : 187,295.05 = 75,296.59 : x
  2. Step 2: Convert to fraction form
    135,727.18/187,295.05 = 75,296.59/x
  3. Step 3: Cross multiply
    135,727.18x = 187,295.05 × 75,296.59
  4. Step 4: Simplify right side
    135,727.18x = 14,102,678,214.76
  5. Step 5: Solve for x
    x = 14,102,678,214.76/135,727.18
  6. Step 6: Final answer
    x = 103,904.60

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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.