Home / 166,985.04-230,439.36-91,531.92

Finding the Fourth Proportional to 166,985.04, 230,439.36 and 91,531.92

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Solution

The fourth proportional to 166,985.04, 230,439.36 and 91,531.92 is: 126,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,985.04 : 230,439.36 = 91,531.92 : x
  2. Step 2: Convert to fraction form
    166,985.04/230,439.36 = 91,531.92/x
  3. Step 3: Cross multiply
    166,985.04x = 230,439.36 × 91,531.92
  4. Step 4: Simplify right side
    166,985.04x = 21,092,557,064.37
  5. Step 5: Solve for x
    x = 21,092,557,064.37/166,985.04
  6. Step 6: Final answer
    x = 126,314.05

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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.