Home / 191,206.79-263,865.59-106,322.03

Finding the Fourth Proportional to 191,206.79, 263,865.59 and 106,322.03

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Solution

The fourth proportional to 191,206.79, 263,865.59 and 106,322.03 is: 146,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,206.79 : 263,865.59 = 106,322.03 : x
  2. Step 2: Convert to fraction form
    191,206.79/263,865.59 = 106,322.03/x
  3. Step 3: Cross multiply
    191,206.79x = 263,865.59 × 106,322.03
  4. Step 4: Simplify right side
    191,206.79x = 28,054,725,175.95
  5. Step 5: Solve for x
    x = 28,054,725,175.95/191,206.79
  6. Step 6: Final answer
    x = 146,724.52

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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.