Home / 277,202.15-415,854.53-87,710.23

Finding the Fourth Proportional to 277,202.15, 415,854.53 and 87,710.23

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Solution

The fourth proportional to 277,202.15, 415,854.53 and 87,710.23 is: 131,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,202.15 : 415,854.53 = 87,710.23 : x
  2. Step 2: Convert to fraction form
    277,202.15/415,854.53 = 87,710.23/x
  3. Step 3: Cross multiply
    277,202.15x = 415,854.53 × 87,710.23
  4. Step 4: Simplify right side
    277,202.15x = 36,474,696,472.84
  5. Step 5: Solve for x
    x = 36,474,696,472.84/277,202.15
  6. Step 6: Final answer
    x = 131,581.58

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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.