Home / 154,176.17-231,260.65-71,070.17

Finding the Fourth Proportional to 154,176.17, 231,260.65 and 71,070.17

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Solution

The fourth proportional to 154,176.17, 231,260.65 and 71,070.17 is: 106,603.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,176.17 : 231,260.65 = 71,070.17 : x
  2. Step 2: Convert to fraction form
    154,176.17/231,260.65 = 71,070.17/x
  3. Step 3: Cross multiply
    154,176.17x = 231,260.65 × 71,070.17
  4. Step 4: Simplify right side
    154,176.17x = 16,435,733,709.81
  5. Step 5: Solve for x
    x = 16,435,733,709.81/154,176.17
  6. Step 6: Final answer
    x = 106,603.59

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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.