Home / 185,185.73-277,881.56-90,417.09

Finding the Fourth Proportional to 185,185.73, 277,881.56 and 90,417.09

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Solution

The fourth proportional to 185,185.73, 277,881.56 and 90,417.09 is: 135,675.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,185.73 : 277,881.56 = 90,417.09 : x
  2. Step 2: Convert to fraction form
    185,185.73/277,881.56 = 90,417.09/x
  3. Step 3: Cross multiply
    185,185.73x = 277,881.56 × 90,417.09
  4. Step 4: Simplify right side
    185,185.73x = 25,125,241,567.77
  5. Step 5: Solve for x
    x = 25,125,241,567.77/185,185.73
  6. Step 6: Final answer
    x = 135,675.91

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1.5x scale

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.