Home / 109,600.36-151,232.28-66,557.47

Finding the Fourth Proportional to 109,600.36, 151,232.28 and 66,557.47

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Solution

The fourth proportional to 109,600.36, 151,232.28 and 66,557.47 is: 91,839.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,600.36 : 151,232.28 = 66,557.47 : x
  2. Step 2: Convert to fraction form
    109,600.36/151,232.28 = 66,557.47/x
  3. Step 3: Cross multiply
    109,600.36x = 151,232.28 × 66,557.47
  4. Step 4: Simplify right side
    109,600.36x = 10,065,636,850.18
  5. Step 5: Solve for x
    x = 10,065,636,850.18/109,600.36
  6. Step 6: Final answer
    x = 91,839.45

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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.