Home / 277,127.56-415,588.38-99,586.12

Finding the Fourth Proportional to 277,127.56, 415,588.38 and 99,586.12

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Solution

The fourth proportional to 277,127.56, 415,588.38 and 99,586.12 is: 149,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,127.56 : 415,588.38 = 99,586.12 : x
  2. Step 2: Convert to fraction form
    277,127.56/415,588.38 = 99,586.12/x
  3. Step 3: Cross multiply
    277,127.56x = 415,588.38 × 99,586.12
  4. Step 4: Simplify right side
    277,127.56x = 41,386,834,281.29
  5. Step 5: Solve for x
    x = 41,386,834,281.29/277,127.56
  6. Step 6: Final answer
    x = 149,342.18

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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.