Home / 153,612.44-211,989.66-89,944.28

Finding the Fourth Proportional to 153,612.44, 211,989.66 and 89,944.28

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Solution

The fourth proportional to 153,612.44, 211,989.66 and 89,944.28 is: 124,125.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,612.44 : 211,989.66 = 89,944.28 : x
  2. Step 2: Convert to fraction form
    153,612.44/211,989.66 = 89,944.28/x
  3. Step 3: Cross multiply
    153,612.44x = 211,989.66 × 89,944.28
  4. Step 4: Simplify right side
    153,612.44x = 19,067,257,336.14
  5. Step 5: Solve for x
    x = 19,067,257,336.14/153,612.44
  6. Step 6: Final answer
    x = 124,125.74

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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.