Home / 119,217.36-164,570.40-80,463.60

Finding the Fourth Proportional to 119,217.36, 164,570.40 and 80,463.60

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Solution

The fourth proportional to 119,217.36, 164,570.40 and 80,463.60 is: 111,073.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,217.36 : 164,570.40 = 80,463.60 : x
  2. Step 2: Convert to fraction form
    119,217.36/164,570.40 = 80,463.60/x
  3. Step 3: Cross multiply
    119,217.36x = 164,570.40 × 80,463.60
  4. Step 4: Simplify right side
    119,217.36x = 13,241,926,837.44
  5. Step 5: Solve for x
    x = 13,241,926,837.44/119,217.36
  6. Step 6: Final answer
    x = 111,073.81

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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.