Home / 121,922.32-182,845.52-43,018.06

Finding the Fourth Proportional to 121,922.32, 182,845.52 and 43,018.06

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Solution

The fourth proportional to 121,922.32, 182,845.52 and 43,018.06 is: 64,513.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,922.32 : 182,845.52 = 43,018.06 : x
  2. Step 2: Convert to fraction form
    121,922.32/182,845.52 = 43,018.06/x
  3. Step 3: Cross multiply
    121,922.32x = 182,845.52 × 43,018.06
  4. Step 4: Simplify right side
    121,922.32x = 7,865,658,420.77
  5. Step 5: Solve for x
    x = 7,865,658,420.77/121,922.32
  6. Step 6: Final answer
    x = 64,513.69

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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.