Home / 147,493.22-203,556.24-90,166.10

Finding the Fourth Proportional to 147,493.22, 203,556.24 and 90,166.10

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Solution

The fourth proportional to 147,493.22, 203,556.24 and 90,166.10 is: 124,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,493.22 : 203,556.24 = 90,166.10 : x
  2. Step 2: Convert to fraction form
    147,493.22/203,556.24 = 90,166.10/x
  3. Step 3: Cross multiply
    147,493.22x = 203,556.24 × 90,166.10
  4. Step 4: Simplify right side
    147,493.22x = 18,353,872,291.46
  5. Step 5: Solve for x
    x = 18,353,872,291.46/147,493.22
  6. Step 6: Final answer
    x = 124,438.75

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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.