Home / 151,652.28-209,058.62-106,187

Finding the Fourth Proportional to 151,652.28, 209,058.62 and 106,187

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Solution

The fourth proportional to 151,652.28, 209,058.62 and 106,187 is: 146,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,652.28 : 209,058.62 = 106,187 : x
  2. Step 2: Convert to fraction form
    151,652.28/209,058.62 = 106,187/x
  3. Step 3: Cross multiply
    151,652.28x = 209,058.62 × 106,187
  4. Step 4: Simplify right side
    151,652.28x = 22,199,307,681.94
  5. Step 5: Solve for x
    x = 22,199,307,681.94/151,652.28
  6. Step 6: Final answer
    x = 146,382.95

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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.