Home / 191,292.15-263,985.18-105,252.26

Finding the Fourth Proportional to 191,292.15, 263,985.18 and 105,252.26

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Solution

The fourth proportional to 191,292.15, 263,985.18 and 105,252.26 is: 145,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,292.15 : 263,985.18 = 105,252.26 : x
  2. Step 2: Convert to fraction form
    191,292.15/263,985.18 = 105,252.26/x
  3. Step 3: Cross multiply
    191,292.15x = 263,985.18 × 105,252.26
  4. Step 4: Simplify right side
    191,292.15x = 27,785,035,481.58
  5. Step 5: Solve for x
    x = 27,785,035,481.58/191,292.15
  6. Step 6: Final answer
    x = 145,249.22

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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.