Home / 191,039.36-263,658.56-115,588.48

Finding the Fourth Proportional to 191,039.36, 263,658.56 and 115,588.48

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Solution

The fourth proportional to 191,039.36, 263,658.56 and 115,588.48 is: 159,526.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,039.36 : 263,658.56 = 115,588.48 : x
  2. Step 2: Convert to fraction form
    191,039.36/263,658.56 = 115,588.48/x
  3. Step 3: Cross multiply
    191,039.36x = 263,658.56 × 115,588.48
  4. Step 4: Simplify right side
    191,039.36x = 30,475,892,189.39
  5. Step 5: Solve for x
    x = 30,475,892,189.39/191,039.36
  6. Step 6: Final answer
    x = 159,526.77

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1.5x scale

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.