Home / 191,176.80-263,823.12-106,288.80

Finding the Fourth Proportional to 191,176.80, 263,823.12 and 106,288.80

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Solution

The fourth proportional to 191,176.80, 263,823.12 and 106,288.80 is: 146,678.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,176.80 : 263,823.12 = 106,288.80 : x
  2. Step 2: Convert to fraction form
    191,176.80/263,823.12 = 106,288.80/x
  3. Step 3: Cross multiply
    191,176.80x = 263,823.12 × 106,288.80
  4. Step 4: Simplify right side
    191,176.80x = 28,041,442,837.06
  5. Step 5: Solve for x
    x = 28,041,442,837.06/191,176.80
  6. Step 6: Final answer
    x = 146,678.06

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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.