Home / 191,117.70-263,719.51-105,062.49

Finding the Fourth Proportional to 191,117.70, 263,719.51 and 105,062.49

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Solution

The fourth proportional to 191,117.70, 263,719.51 and 105,062.49 is: 144,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,117.70 : 263,719.51 = 105,062.49 : x
  2. Step 2: Convert to fraction form
    191,117.70/263,719.51 = 105,062.49/x
  3. Step 3: Cross multiply
    191,117.70x = 263,719.51 × 105,062.49
  4. Step 4: Simplify right side
    191,117.70x = 27,707,028,119.52
  5. Step 5: Solve for x
    x = 27,707,028,119.52/191,117.70
  6. Step 6: Final answer
    x = 144,973.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.