Home / 113,826.88-157,087.96-63,529.12

Finding the Fourth Proportional to 113,826.88, 157,087.96 and 63,529.12

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Solution

The fourth proportional to 113,826.88, 157,087.96 and 63,529.12 is: 87,674.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,826.88 : 157,087.96 = 63,529.12 : x
  2. Step 2: Convert to fraction form
    113,826.88/157,087.96 = 63,529.12/x
  3. Step 3: Cross multiply
    113,826.88x = 157,087.96 × 63,529.12
  4. Step 4: Simplify right side
    113,826.88x = 9,979,659,861.40
  5. Step 5: Solve for x
    x = 9,979,659,861.40/113,826.88
  6. Step 6: Final answer
    x = 87,674.02

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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.