Home / 174,943.60-262,415.40-161,426.80

Finding the Fourth Proportional to 174,943.60, 262,415.40 and 161,426.80

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Solution

The fourth proportional to 174,943.60, 262,415.40 and 161,426.80 is: 242,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,943.60 : 262,415.40 = 161,426.80 : x
  2. Step 2: Convert to fraction form
    174,943.60/262,415.40 = 161,426.80/x
  3. Step 3: Cross multiply
    174,943.60x = 262,415.40 × 161,426.80
  4. Step 4: Simplify right side
    174,943.60x = 42,360,878,292.72
  5. Step 5: Solve for x
    x = 42,360,878,292.72/174,943.60
  6. Step 6: Final answer
    x = 242,140.20

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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.