Home / 160,876.29-221,999.63-89,252.04

Finding the Fourth Proportional to 160,876.29, 221,999.63 and 89,252.04

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Solution

The fourth proportional to 160,876.29, 221,999.63 and 89,252.04 is: 123,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,876.29 : 221,999.63 = 89,252.04 : x
  2. Step 2: Convert to fraction form
    160,876.29/221,999.63 = 89,252.04/x
  3. Step 3: Cross multiply
    160,876.29x = 221,999.63 × 89,252.04
  4. Step 4: Simplify right side
    160,876.29x = 19,813,919,410.49
  5. Step 5: Solve for x
    x = 19,813,919,410.49/160,876.29
  6. Step 6: Final answer
    x = 123,162.46

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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.