Home / 111,184.43-153,457.68-102,217.73

Finding the Fourth Proportional to 111,184.43, 153,457.68 and 102,217.73

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Solution

The fourth proportional to 111,184.43, 153,457.68 and 102,217.73 is: 141,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,184.43 : 153,457.68 = 102,217.73 : x
  2. Step 2: Convert to fraction form
    111,184.43/153,457.68 = 102,217.73/x
  3. Step 3: Cross multiply
    111,184.43x = 153,457.68 × 102,217.73
  4. Step 4: Simplify right side
    111,184.43x = 15,686,095,700.67
  5. Step 5: Solve for x
    x = 15,686,095,700.67/111,184.43
  6. Step 6: Final answer
    x = 141,081.77

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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.