Home / 120,548.71-166,356.94-66,832.35

Finding the Fourth Proportional to 120,548.71, 166,356.94 and 66,832.35

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Solution

The fourth proportional to 120,548.71, 166,356.94 and 66,832.35 is: 92,228.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,548.71 : 166,356.94 = 66,832.35 : x
  2. Step 2: Convert to fraction form
    120,548.71/166,356.94 = 66,832.35/x
  3. Step 3: Cross multiply
    120,548.71x = 166,356.94 × 66,832.35
  4. Step 4: Simplify right side
    120,548.71x = 11,118,025,239.01
  5. Step 5: Solve for x
    x = 11,118,025,239.01/120,548.71
  6. Step 6: Final answer
    x = 92,228.49

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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.