Home / 230,883.12-346,359.30-81,097.01

Finding the Fourth Proportional to 230,883.12, 346,359.30 and 81,097.01

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Solution

The fourth proportional to 230,883.12, 346,359.30 and 81,097.01 is: 121,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,883.12 : 346,359.30 = 81,097.01 : x
  2. Step 2: Convert to fraction form
    230,883.12/346,359.30 = 81,097.01/x
  3. Step 3: Cross multiply
    230,883.12x = 346,359.30 × 81,097.01
  4. Step 4: Simplify right side
    230,883.12x = 28,088,703,615.69
  5. Step 5: Solve for x
    x = 28,088,703,615.69/230,883.12
  6. Step 6: Final answer
    x = 121,657.68

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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.