Home / 289,127.55-398,996.54-160,074.96

Finding the Fourth Proportional to 289,127.55, 398,996.54 and 160,074.96

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Solution

The fourth proportional to 289,127.55, 398,996.54 and 160,074.96 is: 220,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,127.55 : 398,996.54 = 160,074.96 : x
  2. Step 2: Convert to fraction form
    289,127.55/398,996.54 = 160,074.96/x
  3. Step 3: Cross multiply
    289,127.55x = 398,996.54 × 160,074.96
  4. Step 4: Simplify right side
    289,127.55x = 63,869,355,180.64
  5. Step 5: Solve for x
    x = 63,869,355,180.64/289,127.55
  6. Step 6: Final answer
    x = 220,903.73

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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.