Home / 109,525.70-151,147.43-64,236.36

Finding the Fourth Proportional to 109,525.70, 151,147.43 and 64,236.36

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Solution

The fourth proportional to 109,525.70, 151,147.43 and 64,236.36 is: 88,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,525.70 : 151,147.43 = 64,236.36 : x
  2. Step 2: Convert to fraction form
    109,525.70/151,147.43 = 64,236.36/x
  3. Step 3: Cross multiply
    109,525.70x = 151,147.43 × 64,236.36
  4. Step 4: Simplify right side
    109,525.70x = 9,709,160,405.37
  5. Step 5: Solve for x
    x = 9,709,160,405.37/109,525.70
  6. Step 6: Final answer
    x = 88,647.33

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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.