Home / 191,090.72-286,642.56-50,849.48

Finding the Fourth Proportional to 191,090.72, 286,642.56 and 50,849.48

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Solution

The fourth proportional to 191,090.72, 286,642.56 and 50,849.48 is: 76,275.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,090.72 : 286,642.56 = 50,849.48 : x
  2. Step 2: Convert to fraction form
    191,090.72/286,642.56 = 50,849.48/x
  3. Step 3: Cross multiply
    191,090.72x = 286,642.56 × 50,849.48
  4. Step 4: Simplify right side
    191,090.72x = 14,575,625,121.87
  5. Step 5: Solve for x
    x = 14,575,625,121.87/191,090.72
  6. Step 6: Final answer
    x = 76,275.94

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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.