Home / 147,233.04-203,177.13-81,821.64

Finding the Fourth Proportional to 147,233.04, 203,177.13 and 81,821.64

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Solution

The fourth proportional to 147,233.04, 203,177.13 and 81,821.64 is: 112,911.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,233.04 : 203,177.13 = 81,821.64 : x
  2. Step 2: Convert to fraction form
    147,233.04/203,177.13 = 81,821.64/x
  3. Step 3: Cross multiply
    147,233.04x = 203,177.13 × 81,821.64
  4. Step 4: Simplify right side
    147,233.04x = 16,624,285,987.09
  5. Step 5: Solve for x
    x = 16,624,285,987.09/147,233.04
  6. Step 6: Final answer
    x = 112,911.38

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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.