Home / 149,024.24-205,649.32-81,956.24

Finding the Fourth Proportional to 149,024.24, 205,649.32 and 81,956.24

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Solution

The fourth proportional to 149,024.24, 205,649.32 and 81,956.24 is: 113,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,024.24 : 205,649.32 = 81,956.24 : x
  2. Step 2: Convert to fraction form
    149,024.24/205,649.32 = 81,956.24/x
  3. Step 3: Cross multiply
    149,024.24x = 205,649.32 × 81,956.24
  4. Step 4: Simplify right side
    149,024.24x = 16,854,245,025.76
  5. Step 5: Solve for x
    x = 16,854,245,025.76/149,024.24
  6. Step 6: Final answer
    x = 113,097.34

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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.