Home / 204,345.46-282,035.79-135,313.18

Finding the Fourth Proportional to 204,345.46, 282,035.79 and 135,313.18

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Solution

The fourth proportional to 204,345.46, 282,035.79 and 135,313.18 is: 186,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,345.46 : 282,035.79 = 135,313.18 : x
  2. Step 2: Convert to fraction form
    204,345.46/282,035.79 = 135,313.18/x
  3. Step 3: Cross multiply
    204,345.46x = 282,035.79 × 135,313.18
  4. Step 4: Simplify right side
    204,345.46x = 38,163,159,618.71
  5. Step 5: Solve for x
    x = 38,163,159,618.71/204,345.46
  6. Step 6: Final answer
    x = 186,758.05

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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.