Home / 163,312.34-225,365.24-91,695.38

Finding the Fourth Proportional to 163,312.34, 225,365.24 and 91,695.38

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Solution

The fourth proportional to 163,312.34, 225,365.24 and 91,695.38 is: 126,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,312.34 : 225,365.24 = 91,695.38 : x
  2. Step 2: Convert to fraction form
    163,312.34/225,365.24 = 91,695.38/x
  3. Step 3: Cross multiply
    163,312.34x = 225,365.24 × 91,695.38
  4. Step 4: Simplify right side
    163,312.34x = 20,664,951,320.59
  5. Step 5: Solve for x
    x = 20,664,951,320.59/163,312.34
  6. Step 6: Final answer
    x = 126,536.37

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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.