Home / 193,913.64-291,142.82-99,211.73

Finding the Fourth Proportional to 193,913.64, 291,142.82 and 99,211.73

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Solution

The fourth proportional to 193,913.64, 291,142.82 and 99,211.73 is: 148,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,913.64 : 291,142.82 = 99,211.73 : x
  2. Step 2: Convert to fraction form
    193,913.64/291,142.82 = 99,211.73/x
  3. Step 3: Cross multiply
    193,913.64x = 291,142.82 × 99,211.73
  4. Step 4: Simplify right side
    193,913.64x = 28,884,781,641.59
  5. Step 5: Solve for x
    x = 28,884,781,641.59/193,913.64
  6. Step 6: Final answer
    x = 148,956.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.