Home / 237,421.82-327,629.10-129,971.06

Finding the Fourth Proportional to 237,421.82, 327,629.10 and 129,971.06

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Solution

The fourth proportional to 237,421.82, 327,629.10 and 129,971.06 is: 179,352.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,421.82 : 327,629.10 = 129,971.06 : x
  2. Step 2: Convert to fraction form
    237,421.82/327,629.10 = 129,971.06/x
  3. Step 3: Cross multiply
    237,421.82x = 327,629.10 × 129,971.06
  4. Step 4: Simplify right side
    237,421.82x = 42,582,301,413.85
  5. Step 5: Solve for x
    x = 42,582,301,413.85/237,421.82
  6. Step 6: Final answer
    x = 179,352.94

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1.5x scale

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.