Home / 135,654.39-187,193.93-75,222.81

Finding the Fourth Proportional to 135,654.39, 187,193.93 and 75,222.81

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Solution

The fourth proportional to 135,654.39, 187,193.93 and 75,222.81 is: 103,802.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,654.39 : 187,193.93 = 75,222.81 : x
  2. Step 2: Convert to fraction form
    135,654.39/187,193.93 = 75,222.81/x
  3. Step 3: Cross multiply
    135,654.39x = 187,193.93 × 75,222.81
  4. Step 4: Simplify right side
    135,654.39x = 14,081,253,053.43
  5. Step 5: Solve for x
    x = 14,081,253,053.43/135,654.39
  6. Step 6: Final answer
    x = 103,802.41

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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.