Home / 147,235.52-203,187.48-83,575.28

Finding the Fourth Proportional to 147,235.52, 203,187.48 and 83,575.28

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Solution

The fourth proportional to 147,235.52, 203,187.48 and 83,575.28 is: 115,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,235.52 : 203,187.48 = 83,575.28 : x
  2. Step 2: Convert to fraction form
    147,235.52/203,187.48 = 83,575.28/x
  3. Step 3: Cross multiply
    147,235.52x = 203,187.48 × 83,575.28
  4. Step 4: Simplify right side
    147,235.52x = 16,981,450,533.49
  5. Step 5: Solve for x
    x = 16,981,450,533.49/147,235.52
  6. Step 6: Final answer
    x = 115,335.28

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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.