Home / 122,038.11-183,186.57-108,088.71

Finding the Fourth Proportional to 122,038.11, 183,186.57 and 108,088.71

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Solution

The fourth proportional to 122,038.11, 183,186.57 and 108,088.71 is: 162,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,038.11 : 183,186.57 = 108,088.71 : x
  2. Step 2: Convert to fraction form
    122,038.11/183,186.57 = 108,088.71/x
  3. Step 3: Cross multiply
    122,038.11x = 183,186.57 × 108,088.71
  4. Step 4: Simplify right side
    122,038.11x = 19,800,400,040.62
  5. Step 5: Solve for x
    x = 19,800,400,040.62/122,038.11
  6. Step 6: Final answer
    x = 162,247.68

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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.