Home / 153,540.42-211,883.63-85,560.27

Finding the Fourth Proportional to 153,540.42, 211,883.63 and 85,560.27

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Solution

The fourth proportional to 153,540.42, 211,883.63 and 85,560.27 is: 118,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,540.42 : 211,883.63 = 85,560.27 : x
  2. Step 2: Convert to fraction form
    153,540.42/211,883.63 = 85,560.27/x
  3. Step 3: Cross multiply
    153,540.42x = 211,883.63 × 85,560.27
  4. Step 4: Simplify right side
    153,540.42x = 18,128,820,163.58
  5. Step 5: Solve for x
    x = 18,128,820,163.58/153,540.42
  6. Step 6: Final answer
    x = 118,071.97

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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.