Home / 191,204.81-263,851.80-106,320.05

Finding the Fourth Proportional to 191,204.81, 263,851.80 and 106,320.05

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Solution

The fourth proportional to 191,204.81, 263,851.80 and 106,320.05 is: 146,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,204.81 : 263,851.80 = 106,320.05 : x
  2. Step 2: Convert to fraction form
    191,204.81/263,851.80 = 106,320.05/x
  3. Step 3: Cross multiply
    191,204.81x = 263,851.80 × 106,320.05
  4. Step 4: Simplify right side
    191,204.81x = 28,052,736,568.59
  5. Step 5: Solve for x
    x = 28,052,736,568.59/191,204.81
  6. Step 6: Final answer
    x = 146,715.64

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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.