Home / 191,178.55-263,825.53-106,290.55

Finding the Fourth Proportional to 191,178.55, 263,825.53 and 106,290.55

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Solution

The fourth proportional to 191,178.55, 263,825.53 and 106,290.55 is: 146,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,178.55 : 263,825.53 = 106,290.55 : x
  2. Step 2: Convert to fraction form
    191,178.55/263,825.53 = 106,290.55/x
  3. Step 3: Cross multiply
    191,178.55x = 263,825.53 × 106,290.55
  4. Step 4: Simplify right side
    191,178.55x = 28,042,160,687.74
  5. Step 5: Solve for x
    x = 28,042,160,687.74/191,178.55
  6. Step 6: Final answer
    x = 146,680.48

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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.