Home / 189,224.71-261,118.23-108,595.49

Finding the Fourth Proportional to 189,224.71, 261,118.23 and 108,595.49

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Solution

The fourth proportional to 189,224.71, 261,118.23 and 108,595.49 is: 149,854.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,224.71 : 261,118.23 = 108,595.49 : x
  2. Step 2: Convert to fraction form
    189,224.71/261,118.23 = 108,595.49/x
  3. Step 3: Cross multiply
    189,224.71x = 261,118.23 × 108,595.49
  4. Step 4: Simplify right side
    189,224.71x = 28,356,261,032.81
  5. Step 5: Solve for x
    x = 28,356,261,032.81/189,224.71
  6. Step 6: Final answer
    x = 149,854.96

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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.