Home / 154,043.74-231,085.09-52,861.51

Finding the Fourth Proportional to 154,043.74, 231,085.09 and 52,861.51

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Solution

The fourth proportional to 154,043.74, 231,085.09 and 52,861.51 is: 79,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,043.74 : 231,085.09 = 52,861.51 : x
  2. Step 2: Convert to fraction form
    154,043.74/231,085.09 = 52,861.51/x
  3. Step 3: Cross multiply
    154,043.74x = 231,085.09 × 52,861.51
  4. Step 4: Simplify right side
    154,043.74x = 12,215,506,795.89
  5. Step 5: Solve for x
    x = 12,215,506,795.89/154,043.74
  6. Step 6: Final answer
    x = 79,298.95

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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.