Home / 149,666.82-206,554.77-111,875.46

Finding the Fourth Proportional to 149,666.82, 206,554.77 and 111,875.46

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Solution

The fourth proportional to 149,666.82, 206,554.77 and 111,875.46 is: 154,399.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,666.82 : 206,554.77 = 111,875.46 : x
  2. Step 2: Convert to fraction form
    149,666.82/206,554.77 = 111,875.46/x
  3. Step 3: Cross multiply
    149,666.82x = 206,554.77 × 111,875.46
  4. Step 4: Simplify right side
    149,666.82x = 23,108,409,908.94
  5. Step 5: Solve for x
    x = 23,108,409,908.94/149,666.82
  6. Step 6: Final answer
    x = 154,399.02

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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.