Home / 191,285.04-263,979.05-105,252.92

Finding the Fourth Proportional to 191,285.04, 263,979.05 and 105,252.92

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Solution

The fourth proportional to 191,285.04, 263,979.05 and 105,252.92 is: 145,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,285.04 : 263,979.05 = 105,252.92 : x
  2. Step 2: Convert to fraction form
    191,285.04/263,979.05 = 105,252.92/x
  3. Step 3: Cross multiply
    191,285.04x = 263,979.05 × 105,252.92
  4. Step 4: Simplify right side
    191,285.04x = 27,784,565,567.14
  5. Step 5: Solve for x
    x = 27,784,565,567.14/191,285.04
  6. Step 6: Final answer
    x = 145,252.16

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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.