Home / 106,610.85-147,117.06-66,323.34

Finding the Fourth Proportional to 106,610.85, 147,117.06 and 66,323.34

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Solution

The fourth proportional to 106,610.85, 147,117.06 and 66,323.34 is: 91,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,610.85 : 147,117.06 = 66,323.34 : x
  2. Step 2: Convert to fraction form
    106,610.85/147,117.06 = 66,323.34/x
  3. Step 3: Cross multiply
    106,610.85x = 147,117.06 × 66,323.34
  4. Step 4: Simplify right side
    106,610.85x = 9,757,294,790.18
  5. Step 5: Solve for x
    x = 9,757,294,790.18/106,610.85
  6. Step 6: Final answer
    x = 91,522.53

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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.