Home / 113,089.21-169,375.45-53,966.40

Finding the Fourth Proportional to 113,089.21, 169,375.45 and 53,966.40

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Solution

The fourth proportional to 113,089.21, 169,375.45 and 53,966.40 is: 80,826.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,089.21 : 169,375.45 = 53,966.40 : x
  2. Step 2: Convert to fraction form
    113,089.21/169,375.45 = 53,966.40/x
  3. Step 3: Cross multiply
    113,089.21x = 169,375.45 × 53,966.40
  4. Step 4: Simplify right side
    113,089.21x = 9,140,583,284.88
  5. Step 5: Solve for x
    x = 9,140,583,284.88/113,089.21
  6. Step 6: Final answer
    x = 80,826.31

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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.