Home / 191,207.49-263,866.55-106,322.73

Finding the Fourth Proportional to 191,207.49, 263,866.55 and 106,322.73

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Solution

The fourth proportional to 191,207.49, 263,866.55 and 106,322.73 is: 146,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,207.49 : 263,866.55 = 106,322.73 : x
  2. Step 2: Convert to fraction form
    191,207.49/263,866.55 = 106,322.73/x
  3. Step 3: Cross multiply
    191,207.49x = 263,866.55 × 106,322.73
  4. Step 4: Simplify right side
    191,207.49x = 28,055,011,420.07
  5. Step 5: Solve for x
    x = 28,055,011,420.07/191,207.49
  6. Step 6: Final answer
    x = 146,725.48

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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.