Home / 135,277.66-186,555.39-100,898.23

Finding the Fourth Proportional to 135,277.66, 186,555.39 and 100,898.23

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Solution

The fourth proportional to 135,277.66, 186,555.39 and 100,898.23 is: 139,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,277.66 : 186,555.39 = 100,898.23 : x
  2. Step 2: Convert to fraction form
    135,277.66/186,555.39 = 100,898.23/x
  3. Step 3: Cross multiply
    135,277.66x = 186,555.39 × 100,898.23
  4. Step 4: Simplify right side
    135,277.66x = 18,823,108,647.96
  5. Step 5: Solve for x
    x = 18,823,108,647.96/135,277.66
  6. Step 6: Final answer
    x = 139,144.25

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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.