Home / 161,428.28-222,737.24-93,441.20

Finding the Fourth Proportional to 161,428.28, 222,737.24 and 93,441.20

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Solution

The fourth proportional to 161,428.28, 222,737.24 and 93,441.20 is: 128,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,428.28 : 222,737.24 = 93,441.20 : x
  2. Step 2: Convert to fraction form
    161,428.28/222,737.24 = 93,441.20/x
  3. Step 3: Cross multiply
    161,428.28x = 222,737.24 × 93,441.20
  4. Step 4: Simplify right side
    161,428.28x = 20,812,834,110.20
  5. Step 5: Solve for x
    x = 20,812,834,110.20/161,428.28
  6. Step 6: Final answer
    x = 128,929.30

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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.