Home / 110,122.32-151,965.67-64,789.92

Finding the Fourth Proportional to 110,122.32, 151,965.67 and 64,789.92

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Solution

The fourth proportional to 110,122.32, 151,965.67 and 64,789.92 is: 89,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,122.32 : 151,965.67 = 64,789.92 : x
  2. Step 2: Convert to fraction form
    110,122.32/151,965.67 = 64,789.92/x
  3. Step 3: Cross multiply
    110,122.32x = 151,965.67 × 64,789.92
  4. Step 4: Simplify right side
    110,122.32x = 9,845,843,602.05
  5. Step 5: Solve for x
    x = 9,845,843,602.05/110,122.32
  6. Step 6: Final answer
    x = 89,408.25

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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.