Home / 160,316.72-221,217.62-92,355.69

Finding the Fourth Proportional to 160,316.72, 221,217.62 and 92,355.69

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Solution

The fourth proportional to 160,316.72, 221,217.62 and 92,355.69 is: 127,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,316.72 : 221,217.62 = 92,355.69 : x
  2. Step 2: Convert to fraction form
    160,316.72/221,217.62 = 92,355.69/x
  3. Step 3: Cross multiply
    160,316.72x = 221,217.62 × 92,355.69
  4. Step 4: Simplify right side
    160,316.72x = 20,430,705,819.81
  5. Step 5: Solve for x
    x = 20,430,705,819.81/160,316.72
  6. Step 6: Final answer
    x = 127,439.65

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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.