Home / 284,173.60-391,918.80-170,975.20

Finding the Fourth Proportional to 284,173.60, 391,918.80 and 170,975.20

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Solution

The fourth proportional to 284,173.60, 391,918.80 and 170,975.20 is: 235,800.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,173.60 : 391,918.80 = 170,975.20 : x
  2. Step 2: Convert to fraction form
    284,173.60/391,918.80 = 170,975.20/x
  3. Step 3: Cross multiply
    284,173.60x = 391,918.80 × 170,975.20
  4. Step 4: Simplify right side
    284,173.60x = 67,008,395,213.76
  5. Step 5: Solve for x
    x = 67,008,395,213.76/284,173.60
  6. Step 6: Final answer
    x = 235,800.92

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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.