Home / 122,493.36-183,568.86-66,212.10

Finding the Fourth Proportional to 122,493.36, 183,568.86 and 66,212.10

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Solution

The fourth proportional to 122,493.36, 183,568.86 and 66,212.10 is: 99,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,493.36 : 183,568.86 = 66,212.10 : x
  2. Step 2: Convert to fraction form
    122,493.36/183,568.86 = 66,212.10/x
  3. Step 3: Cross multiply
    122,493.36x = 183,568.86 × 66,212.10
  4. Step 4: Simplify right side
    122,493.36x = 12,154,479,715.21
  5. Step 5: Solve for x
    x = 12,154,479,715.21/122,493.36
  6. Step 6: Final answer
    x = 99,225.62

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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.