Home / 119,211.25-164,505.65-71,455.33

Finding the Fourth Proportional to 119,211.25, 164,505.65 and 71,455.33

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Solution

The fourth proportional to 119,211.25, 164,505.65 and 71,455.33 is: 98,604.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,211.25 : 164,505.65 = 71,455.33 : x
  2. Step 2: Convert to fraction form
    119,211.25/164,505.65 = 71,455.33/x
  3. Step 3: Cross multiply
    119,211.25x = 164,505.65 × 71,455.33
  4. Step 4: Simplify right side
    119,211.25x = 11,754,805,150.34
  5. Step 5: Solve for x
    x = 11,754,805,150.34/119,211.25
  6. Step 6: Final answer
    x = 98,604.83

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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.