Home / 111,566.16-167,320.08-52,390.80

Finding the Fourth Proportional to 111,566.16, 167,320.08 and 52,390.80

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Solution

The fourth proportional to 111,566.16, 167,320.08 and 52,390.80 is: 78,572.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,566.16 : 167,320.08 = 52,390.80 : x
  2. Step 2: Convert to fraction form
    111,566.16/167,320.08 = 52,390.80/x
  3. Step 3: Cross multiply
    111,566.16x = 167,320.08 × 52,390.80
  4. Step 4: Simplify right side
    111,566.16x = 8,766,032,847.26
  5. Step 5: Solve for x
    x = 8,766,032,847.26/111,566.16
  6. Step 6: Final answer
    x = 78,572.51

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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.