Home / 106,221.12-159,430.14-53,667.54

Finding the Fourth Proportional to 106,221.12, 159,430.14 and 53,667.54

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Solution

The fourth proportional to 106,221.12, 159,430.14 and 53,667.54 is: 80,551.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,221.12 : 159,430.14 = 53,667.54 : x
  2. Step 2: Convert to fraction form
    106,221.12/159,430.14 = 53,667.54/x
  3. Step 3: Cross multiply
    106,221.12x = 159,430.14 × 53,667.54
  4. Step 4: Simplify right side
    106,221.12x = 8,556,223,415.66
  5. Step 5: Solve for x
    x = 8,556,223,415.66/106,221.12
  6. Step 6: Final answer
    x = 80,551.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.