Home / 191,042.48-263,561.64-115,459.76

Finding the Fourth Proportional to 191,042.48, 263,561.64 and 115,459.76

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Solution

The fourth proportional to 191,042.48, 263,561.64 and 115,459.76 is: 159,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,042.48 : 263,561.64 = 115,459.76 : x
  2. Step 2: Convert to fraction form
    191,042.48/263,561.64 = 115,459.76/x
  3. Step 3: Cross multiply
    191,042.48x = 263,561.64 × 115,459.76
  4. Step 4: Simplify right side
    191,042.48x = 30,430,763,699.61
  5. Step 5: Solve for x
    x = 30,430,763,699.61/191,042.48
  6. Step 6: Final answer
    x = 159,287.94

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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.