Home / 146,931.47-202,751.25-82,403.32

Finding the Fourth Proportional to 146,931.47, 202,751.25 and 82,403.32

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Solution

The fourth proportional to 146,931.47, 202,751.25 and 82,403.32 is: 113,708.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,931.47 : 202,751.25 = 82,403.32 : x
  2. Step 2: Convert to fraction form
    146,931.47/202,751.25 = 82,403.32/x
  3. Step 3: Cross multiply
    146,931.47x = 202,751.25 × 82,403.32
  4. Step 4: Simplify right side
    146,931.47x = 16,707,376,134.15
  5. Step 5: Solve for x
    x = 16,707,376,134.15/146,931.47
  6. Step 6: Final answer
    x = 113,708.63

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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.