Home / 160,776.05-221,884.25-89,179.20

Finding the Fourth Proportional to 160,776.05, 221,884.25 and 89,179.20

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Solution

The fourth proportional to 160,776.05, 221,884.25 and 89,179.20 is: 123,074.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,776.05 : 221,884.25 = 89,179.20 : x
  2. Step 2: Convert to fraction form
    160,776.05/221,884.25 = 89,179.20/x
  3. Step 3: Cross multiply
    160,776.05x = 221,884.25 × 89,179.20
  4. Step 4: Simplify right side
    160,776.05x = 19,787,459,461.70
  5. Step 5: Solve for x
    x = 19,787,459,461.70/160,776.05
  6. Step 6: Final answer
    x = 123,074.67

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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.