Home / 122,516.70-183,775.05-52,403.10

Finding the Fourth Proportional to 122,516.70, 183,775.05 and 52,403.10

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Solution

The fourth proportional to 122,516.70, 183,775.05 and 52,403.10 is: 78,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,516.70 : 183,775.05 = 52,403.10 : x
  2. Step 2: Convert to fraction form
    122,516.70/183,775.05 = 52,403.10/x
  3. Step 3: Cross multiply
    122,516.70x = 183,775.05 × 52,403.10
  4. Step 4: Simplify right side
    122,516.70x = 9,630,382,322.66
  5. Step 5: Solve for x
    x = 9,630,382,322.66/122,516.70
  6. Step 6: Final answer
    x = 78,604.65

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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.