Home / 163,567.72-225,712.27-99,072.75

Finding the Fourth Proportional to 163,567.72, 225,712.27 and 99,072.75

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Solution

The fourth proportional to 163,567.72, 225,712.27 and 99,072.75 is: 136,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,567.72 : 225,712.27 = 99,072.75 : x
  2. Step 2: Convert to fraction form
    163,567.72/225,712.27 = 99,072.75/x
  3. Step 3: Cross multiply
    163,567.72x = 225,712.27 × 99,072.75
  4. Step 4: Simplify right side
    163,567.72x = 22,361,934,998.27
  5. Step 5: Solve for x
    x = 22,361,934,998.27/163,567.72
  6. Step 6: Final answer
    x = 136,713.62

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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.