Home / 164,278.40-226,704-88,826.72

Finding the Fourth Proportional to 164,278.40, 226,704 and 88,826.72

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Solution

The fourth proportional to 164,278.40, 226,704 and 88,826.72 is: 122,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,278.40 : 226,704 = 88,826.72 : x
  2. Step 2: Convert to fraction form
    164,278.40/226,704 = 88,826.72/x
  3. Step 3: Cross multiply
    164,278.40x = 226,704 × 88,826.72
  4. Step 4: Simplify right side
    164,278.40x = 20,137,372,730.88
  5. Step 5: Solve for x
    x = 20,137,372,730.88/164,278.40
  6. Step 6: Final answer
    x = 122,580.77

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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.