Home / 313,241.78-432,270.06-170,001.92

Finding the Fourth Proportional to 313,241.78, 432,270.06 and 170,001.92

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Solution

The fourth proportional to 313,241.78, 432,270.06 and 170,001.92 is: 234,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,241.78 : 432,270.06 = 170,001.92 : x
  2. Step 2: Convert to fraction form
    313,241.78/432,270.06 = 170,001.92/x
  3. Step 3: Cross multiply
    313,241.78x = 432,270.06 × 170,001.92
  4. Step 4: Simplify right side
    313,241.78x = 73,486,740,158.52
  5. Step 5: Solve for x
    x = 73,486,740,158.52/313,241.78
  6. Step 6: Final answer
    x = 234,600.70

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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.