Home / 113,694.18-170,659.55-83,742.24

Finding the Fourth Proportional to 113,694.18, 170,659.55 and 83,742.24

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Solution

The fourth proportional to 113,694.18, 170,659.55 and 83,742.24 is: 125,700.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,694.18 : 170,659.55 = 83,742.24 : x
  2. Step 2: Convert to fraction form
    113,694.18/170,659.55 = 83,742.24/x
  3. Step 3: Cross multiply
    113,694.18x = 170,659.55 × 83,742.24
  4. Step 4: Simplify right side
    113,694.18x = 14,291,412,994.39
  5. Step 5: Solve for x
    x = 14,291,412,994.39/113,694.18
  6. Step 6: Final answer
    x = 125,700.48

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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.