Home / 192,874.15-266,158.67-107,989.39

Finding the Fourth Proportional to 192,874.15, 266,158.67 and 107,989.39

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Solution

The fourth proportional to 192,874.15, 266,158.67 and 107,989.39 is: 149,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,874.15 : 266,158.67 = 107,989.39 : x
  2. Step 2: Convert to fraction form
    192,874.15/266,158.67 = 107,989.39/x
  3. Step 3: Cross multiply
    192,874.15x = 266,158.67 × 107,989.39
  4. Step 4: Simplify right side
    192,874.15x = 28,742,312,416.51
  5. Step 5: Solve for x
    x = 28,742,312,416.51/192,874.15
  6. Step 6: Final answer
    x = 149,021.07

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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.