Home / 193,120.61-266,453.61-115,565.03

Finding the Fourth Proportional to 193,120.61, 266,453.61 and 115,565.03

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Solution

The fourth proportional to 193,120.61, 266,453.61 and 115,565.03 is: 159,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,120.61 : 266,453.61 = 115,565.03 : x
  2. Step 2: Convert to fraction form
    193,120.61/266,453.61 = 115,565.03/x
  3. Step 3: Cross multiply
    193,120.61x = 266,453.61 × 115,565.03
  4. Step 4: Simplify right side
    193,120.61x = 30,792,718,666.82
  5. Step 5: Solve for x
    x = 30,792,718,666.82/193,120.61
  6. Step 6: Final answer
    x = 159,448.13

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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.