Home / 160,856.28-221,991.64-92,885.54

Finding the Fourth Proportional to 160,856.28, 221,991.64 and 92,885.54

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Solution

The fourth proportional to 160,856.28, 221,991.64 and 92,885.54 is: 128,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,856.28 : 221,991.64 = 92,885.54 : x
  2. Step 2: Convert to fraction form
    160,856.28/221,991.64 = 92,885.54/x
  3. Step 3: Cross multiply
    160,856.28x = 221,991.64 × 92,885.54
  4. Step 4: Simplify right side
    160,856.28x = 20,619,812,014.71
  5. Step 5: Solve for x
    x = 20,619,812,014.71/160,856.28
  6. Step 6: Final answer
    x = 128,187.80

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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.