Home / 147,235.73-203,186.27-83,574.59

Finding the Fourth Proportional to 147,235.73, 203,186.27 and 83,574.59

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Solution

The fourth proportional to 147,235.73, 203,186.27 and 83,574.59 is: 115,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,235.73 : 203,186.27 = 83,574.59 : x
  2. Step 2: Convert to fraction form
    147,235.73/203,186.27 = 83,574.59/x
  3. Step 3: Cross multiply
    147,235.73x = 203,186.27 × 83,574.59
  4. Step 4: Simplify right side
    147,235.73x = 16,981,208,401.88
  5. Step 5: Solve for x
    x = 16,981,208,401.88/147,235.73
  6. Step 6: Final answer
    x = 115,333.48

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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.