Home / 387,541.70-581,199.54-150,828.11

Finding the Fourth Proportional to 387,541.70, 581,199.54 and 150,828.11

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Solution

The fourth proportional to 387,541.70, 581,199.54 and 150,828.11 is: 226,198.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,541.70 : 581,199.54 = 150,828.11 : x
  2. Step 2: Convert to fraction form
    387,541.70/581,199.54 = 150,828.11/x
  3. Step 3: Cross multiply
    387,541.70x = 581,199.54 × 150,828.11
  4. Step 4: Simplify right side
    387,541.70x = 87,661,225,245.07
  5. Step 5: Solve for x
    x = 87,661,225,245.07/387,541.70
  6. Step 6: Final answer
    x = 226,198.18

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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.