Home / 163,435.84-225,540.12-91,814.35

Finding the Fourth Proportional to 163,435.84, 225,540.12 and 91,814.35

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Solution

The fourth proportional to 163,435.84, 225,540.12 and 91,814.35 is: 126,703.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,435.84 : 225,540.12 = 91,814.35 : x
  2. Step 2: Convert to fraction form
    163,435.84/225,540.12 = 91,814.35/x
  3. Step 3: Cross multiply
    163,435.84x = 225,540.12 × 91,814.35
  4. Step 4: Simplify right side
    163,435.84x = 20,707,819,516.72
  5. Step 5: Solve for x
    x = 20,707,819,516.72/163,435.84
  6. Step 6: Final answer
    x = 126,703.05

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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.