Home / 193,265.76-289,981.20-99,837.12

Finding the Fourth Proportional to 193,265.76, 289,981.20 and 99,837.12

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Solution

The fourth proportional to 193,265.76, 289,981.20 and 99,837.12 is: 149,798.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,265.76 : 289,981.20 = 99,837.12 : x
  2. Step 2: Convert to fraction form
    193,265.76/289,981.20 = 99,837.12/x
  3. Step 3: Cross multiply
    193,265.76x = 289,981.20 × 99,837.12
  4. Step 4: Simplify right side
    193,265.76x = 28,950,887,862.14
  5. Step 5: Solve for x
    x = 28,950,887,862.14/193,265.76
  6. Step 6: Final answer
    x = 149,798.33

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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.