Home / 109,600.80-151,232.88-66,557.90

Finding the Fourth Proportional to 109,600.80, 151,232.88 and 66,557.90

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Solution

The fourth proportional to 109,600.80, 151,232.88 and 66,557.90 is: 91,840.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,600.80 : 151,232.88 = 66,557.90 : x
  2. Step 2: Convert to fraction form
    109,600.80/151,232.88 = 66,557.90/x
  3. Step 3: Cross multiply
    109,600.80x = 151,232.88 × 66,557.90
  4. Step 4: Simplify right side
    109,600.80x = 10,065,742,147.59
  5. Step 5: Solve for x
    x = 10,065,742,147.59/109,600.80
  6. Step 6: Final answer
    x = 91,840.04

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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.