Home / 164,401.54-226,849.79-99,837.20

Finding the Fourth Proportional to 164,401.54, 226,849.79 and 99,837.20

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Solution

The fourth proportional to 164,401.54, 226,849.79 and 99,837.20 is: 137,760.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,401.54 : 226,849.79 = 99,837.20 : x
  2. Step 2: Convert to fraction form
    164,401.54/226,849.79 = 99,837.20/x
  3. Step 3: Cross multiply
    164,401.54x = 226,849.79 × 99,837.20
  4. Step 4: Simplify right side
    164,401.54x = 22,648,047,854.19
  5. Step 5: Solve for x
    x = 22,648,047,854.19/164,401.54
  6. Step 6: Final answer
    x = 137,760.56

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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.