Home / 113,797.28-157,093.38-66,041.40

Finding the Fourth Proportional to 113,797.28, 157,093.38 and 66,041.40

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Solution

The fourth proportional to 113,797.28, 157,093.38 and 66,041.40 is: 91,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,797.28 : 157,093.38 = 66,041.40 : x
  2. Step 2: Convert to fraction form
    113,797.28/157,093.38 = 66,041.40/x
  3. Step 3: Cross multiply
    113,797.28x = 157,093.38 × 66,041.40
  4. Step 4: Simplify right side
    113,797.28x = 10,374,666,745.93
  5. Step 5: Solve for x
    x = 10,374,666,745.93/113,797.28
  6. Step 6: Final answer
    x = 91,167.97

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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.