Home / 153,342.51-230,112.18-74,413.68

Finding the Fourth Proportional to 153,342.51, 230,112.18 and 74,413.68

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Solution

The fourth proportional to 153,342.51, 230,112.18 and 74,413.68 is: 111,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,342.51 : 230,112.18 = 74,413.68 : x
  2. Step 2: Convert to fraction form
    153,342.51/230,112.18 = 74,413.68/x
  3. Step 3: Cross multiply
    153,342.51x = 230,112.18 × 74,413.68
  4. Step 4: Simplify right side
    153,342.51x = 17,123,493,272.29
  5. Step 5: Solve for x
    x = 17,123,493,272.29/153,342.51
  6. Step 6: Final answer
    x = 111,668.27

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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.