Home / 175,943.58-243,003.92-115,782.80

Finding the Fourth Proportional to 175,943.58, 243,003.92 and 115,782.80

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Solution

The fourth proportional to 175,943.58, 243,003.92 and 115,782.80 is: 159,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,943.58 : 243,003.92 = 115,782.80 : x
  2. Step 2: Convert to fraction form
    175,943.58/243,003.92 = 115,782.80/x
  3. Step 3: Cross multiply
    175,943.58x = 243,003.92 × 115,782.80
  4. Step 4: Simplify right side
    175,943.58x = 28,135,674,268.58
  5. Step 5: Solve for x
    x = 28,135,674,268.58/175,943.58
  6. Step 6: Final answer
    x = 159,913.05

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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.