Home / 175,331.20-262,996.80-100,681.60

Finding the Fourth Proportional to 175,331.20, 262,996.80 and 100,681.60

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Solution

The fourth proportional to 175,331.20, 262,996.80 and 100,681.60 is: 151,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,331.20 : 262,996.80 = 100,681.60 : x
  2. Step 2: Convert to fraction form
    175,331.20/262,996.80 = 100,681.60/x
  3. Step 3: Cross multiply
    175,331.20x = 262,996.80 × 100,681.60
  4. Step 4: Simplify right side
    175,331.20x = 26,478,938,618.88
  5. Step 5: Solve for x
    x = 26,478,938,618.88/175,331.20
  6. Step 6: Final answer
    x = 151,022.40

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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.