Home / 191,251.52-263,933.60-105,214.24

Finding the Fourth Proportional to 191,251.52, 263,933.60 and 105,214.24

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Solution

The fourth proportional to 191,251.52, 263,933.60 and 105,214.24 is: 145,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,251.52 : 263,933.60 = 105,214.24 : x
  2. Step 2: Convert to fraction form
    191,251.52/263,933.60 = 105,214.24/x
  3. Step 3: Cross multiply
    191,251.52x = 263,933.60 × 105,214.24
  4. Step 4: Simplify right side
    191,251.52x = 27,769,573,134.46
  5. Step 5: Solve for x
    x = 27,769,573,134.46/191,251.52
  6. Step 6: Final answer
    x = 145,199.23

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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.