Home / 113,983.74-170,980.20-42,899.22

Finding the Fourth Proportional to 113,983.74, 170,980.20 and 42,899.22

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Solution

The fourth proportional to 113,983.74, 170,980.20 and 42,899.22 is: 64,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,983.74 : 170,980.20 = 42,899.22 : x
  2. Step 2: Convert to fraction form
    113,983.74/170,980.20 = 42,899.22/x
  3. Step 3: Cross multiply
    113,983.74x = 170,980.20 × 42,899.22
  4. Step 4: Simplify right side
    113,983.74x = 7,334,917,215.44
  5. Step 5: Solve for x
    x = 7,334,917,215.44/113,983.74
  6. Step 6: Final answer
    x = 64,350.56

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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.