Home / 147,235.33-203,185.70-83,574.19

Finding the Fourth Proportional to 147,235.33, 203,185.70 and 83,574.19

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Solution

The fourth proportional to 147,235.33, 203,185.70 and 83,574.19 is: 115,332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,235.33 : 203,185.70 = 83,574.19 : x
  2. Step 2: Convert to fraction form
    147,235.33/203,185.70 = 83,574.19/x
  3. Step 3: Cross multiply
    147,235.33x = 203,185.70 × 83,574.19
  4. Step 4: Simplify right side
    147,235.33x = 16,981,080,297.08
  5. Step 5: Solve for x
    x = 16,981,080,297.08/147,235.33
  6. Step 6: Final answer
    x = 115,332.92

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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.