Home / 161,396.28-242,205.78-56,216.12

Finding the Fourth Proportional to 161,396.28, 242,205.78 and 56,216.12

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Solution

The fourth proportional to 161,396.28, 242,205.78 and 56,216.12 is: 84,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,396.28 : 242,205.78 = 56,216.12 : x
  2. Step 2: Convert to fraction form
    161,396.28/242,205.78 = 56,216.12/x
  3. Step 3: Cross multiply
    161,396.28x = 242,205.78 × 56,216.12
  4. Step 4: Simplify right side
    161,396.28x = 13,615,869,193.17
  5. Step 5: Solve for x
    x = 13,615,869,193.17/161,396.28
  6. Step 6: Final answer
    x = 84,362.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.