Home / 160,666.92-221,720.38-89,051.58

Finding the Fourth Proportional to 160,666.92, 221,720.38 and 89,051.58

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Solution

The fourth proportional to 160,666.92, 221,720.38 and 89,051.58 is: 122,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,666.92 : 221,720.38 = 89,051.58 : x
  2. Step 2: Convert to fraction form
    160,666.92/221,720.38 = 89,051.58/x
  3. Step 3: Cross multiply
    160,666.92x = 221,720.38 × 89,051.58
  4. Step 4: Simplify right side
    160,666.92x = 19,744,550,157.20
  5. Step 5: Solve for x
    x = 19,744,550,157.20/160,666.92
  6. Step 6: Final answer
    x = 122,891.20

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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.