Home / 147,143.44-203,058.23-83,468.92

Finding the Fourth Proportional to 147,143.44, 203,058.23 and 83,468.92

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Solution

The fourth proportional to 147,143.44, 203,058.23 and 83,468.92 is: 115,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,143.44 : 203,058.23 = 83,468.92 : x
  2. Step 2: Convert to fraction form
    147,143.44/203,058.23 = 83,468.92/x
  3. Step 3: Cross multiply
    147,143.44x = 203,058.23 × 83,468.92
  4. Step 4: Simplify right side
    147,143.44x = 16,949,051,155.21
  5. Step 5: Solve for x
    x = 16,949,051,155.21/147,143.44
  6. Step 6: Final answer
    x = 115,187.27

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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.