Home / 235,998.03-325,666.80-137,890.38

Finding the Fourth Proportional to 235,998.03, 325,666.80 and 137,890.38

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Solution

The fourth proportional to 235,998.03, 325,666.80 and 137,890.38 is: 190,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,998.03 : 325,666.80 = 137,890.38 : x
  2. Step 2: Convert to fraction form
    235,998.03/325,666.80 = 137,890.38/x
  3. Step 3: Cross multiply
    235,998.03x = 325,666.80 × 137,890.38
  4. Step 4: Simplify right side
    235,998.03x = 44,906,318,805.38
  5. Step 5: Solve for x
    x = 44,906,318,805.38/235,998.03
  6. Step 6: Final answer
    x = 190,282.60

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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.