Home / 106,989.14-147,650.08-64,546.76

Finding the Fourth Proportional to 106,989.14, 147,650.08 and 64,546.76

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Solution

The fourth proportional to 106,989.14, 147,650.08 and 64,546.76 is: 89,077.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,989.14 : 147,650.08 = 64,546.76 : x
  2. Step 2: Convert to fraction form
    106,989.14/147,650.08 = 64,546.76/x
  3. Step 3: Cross multiply
    106,989.14x = 147,650.08 × 64,546.76
  4. Step 4: Simplify right side
    106,989.14x = 9,530,334,277.74
  5. Step 5: Solve for x
    x = 9,530,334,277.74/106,989.14
  6. Step 6: Final answer
    x = 89,077.59

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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.