Home / 109,557.09-151,188.80-59,256.09

Finding the Fourth Proportional to 109,557.09, 151,188.80 and 59,256.09

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Solution

The fourth proportional to 109,557.09, 151,188.80 and 59,256.09 is: 81,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,557.09 : 151,188.80 = 59,256.09 : x
  2. Step 2: Convert to fraction form
    109,557.09/151,188.80 = 59,256.09/x
  3. Step 3: Cross multiply
    109,557.09x = 151,188.80 × 59,256.09
  4. Step 4: Simplify right side
    109,557.09x = 8,958,856,843.51
  5. Step 5: Solve for x
    x = 8,958,856,843.51/109,557.09
  6. Step 6: Final answer
    x = 81,773.41

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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.