Home / 147,865.80-204,054.58-84,203.62

Finding the Fourth Proportional to 147,865.80, 204,054.58 and 84,203.62

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Solution

The fourth proportional to 147,865.80, 204,054.58 and 84,203.62 is: 116,200.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,865.80 : 204,054.58 = 84,203.62 : x
  2. Step 2: Convert to fraction form
    147,865.80/204,054.58 = 84,203.62/x
  3. Step 3: Cross multiply
    147,865.80x = 204,054.58 × 84,203.62
  4. Step 4: Simplify right side
    147,865.80x = 17,182,134,313.58
  5. Step 5: Solve for x
    x = 17,182,134,313.58/147,865.80
  6. Step 6: Final answer
    x = 116,200.87

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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.