Home / 193,619.40-290,458.57-98,797.76

Finding the Fourth Proportional to 193,619.40, 290,458.57 and 98,797.76

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Solution

The fourth proportional to 193,619.40, 290,458.57 and 98,797.76 is: 148,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,619.40 : 290,458.57 = 98,797.76 : x
  2. Step 2: Convert to fraction form
    193,619.40/290,458.57 = 98,797.76/x
  3. Step 3: Cross multiply
    193,619.40x = 290,458.57 × 98,797.76
  4. Step 4: Simplify right side
    193,619.40x = 28,696,656,088.80
  5. Step 5: Solve for x
    x = 28,696,656,088.80/193,619.40
  6. Step 6: Final answer
    x = 148,211.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.