Home / 147,834.20-221,860.65-97,897.70

Finding the Fourth Proportional to 147,834.20, 221,860.65 and 97,897.70

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Solution

The fourth proportional to 147,834.20, 221,860.65 and 97,897.70 is: 146,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,834.20 : 221,860.65 = 97,897.70 : x
  2. Step 2: Convert to fraction form
    147,834.20/221,860.65 = 97,897.70/x
  3. Step 3: Cross multiply
    147,834.20x = 221,860.65 × 97,897.70
  4. Step 4: Simplify right side
    147,834.20x = 21,719,647,355.51
  5. Step 5: Solve for x
    x = 21,719,647,355.51/147,834.20
  6. Step 6: Final answer
    x = 146,918.96

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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.