Home / 147,803.66-203,908.68-109,134.16

Finding the Fourth Proportional to 147,803.66, 203,908.68 and 109,134.16

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Solution

The fourth proportional to 147,803.66, 203,908.68 and 109,134.16 is: 150,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,803.66 : 203,908.68 = 109,134.16 : x
  2. Step 2: Convert to fraction form
    147,803.66/203,908.68 = 109,134.16/x
  3. Step 3: Cross multiply
    147,803.66x = 203,908.68 × 109,134.16
  4. Step 4: Simplify right side
    147,803.66x = 22,253,402,508.51
  5. Step 5: Solve for x
    x = 22,253,402,508.51/147,803.66
  6. Step 6: Final answer
    x = 150,560.56

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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.