Home / 120,349.08-166,083.48-69,333.66

Finding the Fourth Proportional to 120,349.08, 166,083.48 and 69,333.66

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Solution

The fourth proportional to 120,349.08, 166,083.48 and 69,333.66 is: 95,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,349.08 : 166,083.48 = 69,333.66 : x
  2. Step 2: Convert to fraction form
    120,349.08/166,083.48 = 69,333.66/x
  3. Step 3: Cross multiply
    120,349.08x = 166,083.48 × 69,333.66
  4. Step 4: Simplify right side
    120,349.08x = 11,515,175,533.94
  5. Step 5: Solve for x
    x = 11,515,175,533.94/120,349.08
  6. Step 6: Final answer
    x = 95,681.46

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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.