Home / 147,540.68-203,605.60-83,878.48

Finding the Fourth Proportional to 147,540.68, 203,605.60 and 83,878.48

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Solution

The fourth proportional to 147,540.68, 203,605.60 and 83,878.48 is: 115,752.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,540.68 : 203,605.60 = 83,878.48 : x
  2. Step 2: Convert to fraction form
    147,540.68/203,605.60 = 83,878.48/x
  3. Step 3: Cross multiply
    147,540.68x = 203,605.60 × 83,878.48
  4. Step 4: Simplify right side
    147,540.68x = 17,078,128,247.49
  5. Step 5: Solve for x
    x = 17,078,128,247.49/147,540.68
  6. Step 6: Final answer
    x = 115,752.00

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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.