Home / 122,301.10-183,451.65-80,310.70

Finding the Fourth Proportional to 122,301.10, 183,451.65 and 80,310.70

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Solution

The fourth proportional to 122,301.10, 183,451.65 and 80,310.70 is: 120,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,301.10 : 183,451.65 = 80,310.70 : x
  2. Step 2: Convert to fraction form
    122,301.10/183,451.65 = 80,310.70/x
  3. Step 3: Cross multiply
    122,301.10x = 183,451.65 × 80,310.70
  4. Step 4: Simplify right side
    122,301.10x = 14,733,130,427.66
  5. Step 5: Solve for x
    x = 14,733,130,427.66/122,301.10
  6. Step 6: Final answer
    x = 120,466.05

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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.