Home / 174,131.60-261,754.20-161,805.20

Finding the Fourth Proportional to 174,131.60, 261,754.20 and 161,805.20

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Solution

The fourth proportional to 174,131.60, 261,754.20 and 161,805.20 is: 243,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,131.60 : 261,754.20 = 161,805.20 : x
  2. Step 2: Convert to fraction form
    174,131.60/261,754.20 = 161,805.20/x
  3. Step 3: Cross multiply
    174,131.60x = 261,754.20 × 161,805.20
  4. Step 4: Simplify right side
    174,131.60x = 42,353,190,681.84
  5. Step 5: Solve for x
    x = 42,353,190,681.84/174,131.60
  6. Step 6: Final answer
    x = 243,225.19

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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.