Home / 316,039.80-474,902.10-173,998.20

Finding the Fourth Proportional to 316,039.80, 474,902.10 and 173,998.20

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Solution

The fourth proportional to 316,039.80, 474,902.10 and 173,998.20 is: 261,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,039.80 : 474,902.10 = 173,998.20 : x
  2. Step 2: Convert to fraction form
    316,039.80/474,902.10 = 173,998.20/x
  3. Step 3: Cross multiply
    316,039.80x = 474,902.10 × 173,998.20
  4. Step 4: Simplify right side
    316,039.80x = 82,632,110,576.22
  5. Step 5: Solve for x
    x = 82,632,110,576.22/316,039.80
  6. Step 6: Final answer
    x = 261,461.09

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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.