Home / 121,467.12-182,225.28-51,346.32

Finding the Fourth Proportional to 121,467.12, 182,225.28 and 51,346.32

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Solution

The fourth proportional to 121,467.12, 182,225.28 and 51,346.32 is: 77,029.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,467.12 : 182,225.28 = 51,346.32 : x
  2. Step 2: Convert to fraction form
    121,467.12/182,225.28 = 51,346.32/x
  3. Step 3: Cross multiply
    121,467.12x = 182,225.28 × 51,346.32
  4. Step 4: Simplify right side
    121,467.12x = 9,356,597,538.97
  5. Step 5: Solve for x
    x = 9,356,597,538.97/121,467.12
  6. Step 6: Final answer
    x = 77,029.88

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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.