Home / 191,154.78-263,762.55-106,269.66

Finding the Fourth Proportional to 191,154.78, 263,762.55 and 106,269.66

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Solution

The fourth proportional to 191,154.78, 263,762.55 and 106,269.66 is: 146,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,154.78 : 263,762.55 = 106,269.66 : x
  2. Step 2: Convert to fraction form
    191,154.78/263,762.55 = 106,269.66/x
  3. Step 3: Cross multiply
    191,154.78x = 263,762.55 × 106,269.66
  4. Step 4: Simplify right side
    191,154.78x = 28,029,956,509.23
  5. Step 5: Solve for x
    x = 28,029,956,509.23/191,154.78
  6. Step 6: Final answer
    x = 146,634.87

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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.