Home / 156,822.24-216,399-88,825.56

Finding the Fourth Proportional to 156,822.24, 216,399 and 88,825.56

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Solution

The fourth proportional to 156,822.24, 216,399 and 88,825.56 is: 122,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,822.24 : 216,399 = 88,825.56 : x
  2. Step 2: Convert to fraction form
    156,822.24/216,399 = 88,825.56/x
  3. Step 3: Cross multiply
    156,822.24x = 216,399 × 88,825.56
  4. Step 4: Simplify right side
    156,822.24x = 19,221,762,358.44
  5. Step 5: Solve for x
    x = 19,221,762,358.44/156,822.24
  6. Step 6: Final answer
    x = 122,570.39

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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.