Home / 191,218.56-286,796.66-56,251.06

Finding the Fourth Proportional to 191,218.56, 286,796.66 and 56,251.06

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Solution

The fourth proportional to 191,218.56, 286,796.66 and 56,251.06 is: 84,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,218.56 : 286,796.66 = 56,251.06 : x
  2. Step 2: Convert to fraction form
    191,218.56/286,796.66 = 56,251.06/x
  3. Step 3: Cross multiply
    191,218.56x = 286,796.66 × 56,251.06
  4. Step 4: Simplify right side
    191,218.56x = 16,132,615,131.21
  5. Step 5: Solve for x
    x = 16,132,615,131.21/191,218.56
  6. Step 6: Final answer
    x = 84,367.41

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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.