Home / 160,799.10-221,916.04-89,202.20

Finding the Fourth Proportional to 160,799.10, 221,916.04 and 89,202.20

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Solution

The fourth proportional to 160,799.10, 221,916.04 and 89,202.20 is: 123,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,799.10 : 221,916.04 = 89,202.20 : x
  2. Step 2: Convert to fraction form
    160,799.10/221,916.04 = 89,202.20/x
  3. Step 3: Cross multiply
    160,799.10x = 221,916.04 × 89,202.20
  4. Step 4: Simplify right side
    160,799.10x = 19,795,398,983.29
  5. Step 5: Solve for x
    x = 19,795,398,983.29/160,799.10
  6. Step 6: Final answer
    x = 123,106.40

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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.