Home / 160,836.77-221,964.81-92,866.20

Finding the Fourth Proportional to 160,836.77, 221,964.81 and 92,866.20

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Solution

The fourth proportional to 160,836.77, 221,964.81 and 92,866.20 is: 128,161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,836.77 : 221,964.81 = 92,866.20 : x
  2. Step 2: Convert to fraction form
    160,836.77/221,964.81 = 92,866.20/x
  3. Step 3: Cross multiply
    160,836.77x = 221,964.81 × 92,866.20
  4. Step 4: Simplify right side
    160,836.77x = 20,613,027,257.81
  5. Step 5: Solve for x
    x = 20,613,027,257.81/160,836.77
  6. Step 6: Final answer
    x = 128,161.16

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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.