Home / 136,908.70-205,436.57-57,001.83

Finding the Fourth Proportional to 136,908.70, 205,436.57 and 57,001.83

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Solution

The fourth proportional to 136,908.70, 205,436.57 and 57,001.83 is: 85,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,908.70 : 205,436.57 = 57,001.83 : x
  2. Step 2: Convert to fraction form
    136,908.70/205,436.57 = 57,001.83/x
  3. Step 3: Cross multiply
    136,908.70x = 205,436.57 × 57,001.83
  4. Step 4: Simplify right side
    136,908.70x = 11,710,260,438.92
  5. Step 5: Solve for x
    x = 11,710,260,438.92/136,908.70
  6. Step 6: Final answer
    x = 85,533.35

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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.