Home / 166,830.08-250,126.22-78,035.18

Finding the Fourth Proportional to 166,830.08, 250,126.22 and 78,035.18

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Solution

The fourth proportional to 166,830.08, 250,126.22 and 78,035.18 is: 116,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,830.08 : 250,126.22 = 78,035.18 : x
  2. Step 2: Convert to fraction form
    166,830.08/250,126.22 = 78,035.18/x
  3. Step 3: Cross multiply
    166,830.08x = 250,126.22 × 78,035.18
  4. Step 4: Simplify right side
    166,830.08x = 19,518,643,544.88
  5. Step 5: Solve for x
    x = 19,518,643,544.88/166,830.08
  6. Step 6: Final answer
    x = 116,997.15

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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.