Home / 133,058.30-199,238.13-106,280.91

Finding the Fourth Proportional to 133,058.30, 199,238.13 and 106,280.91

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Solution

The fourth proportional to 133,058.30, 199,238.13 and 106,280.91 is: 159,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,058.30 : 199,238.13 = 106,280.91 : x
  2. Step 2: Convert to fraction form
    133,058.30/199,238.13 = 106,280.91/x
  3. Step 3: Cross multiply
    133,058.30x = 199,238.13 × 106,280.91
  4. Step 4: Simplify right side
    133,058.30x = 21,175,209,763.10
  5. Step 5: Solve for x
    x = 21,175,209,763.10/133,058.30
  6. Step 6: Final answer
    x = 159,142.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.