Home / 154,174.82-212,826.83-93,764.87

Finding the Fourth Proportional to 154,174.82, 212,826.83 and 93,764.87

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Solution

The fourth proportional to 154,174.82, 212,826.83 and 93,764.87 is: 129,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,174.82 : 212,826.83 = 93,764.87 : x
  2. Step 2: Convert to fraction form
    154,174.82/212,826.83 = 93,764.87/x
  3. Step 3: Cross multiply
    154,174.82x = 212,826.83 × 93,764.87
  4. Step 4: Simplify right side
    154,174.82x = 19,955,678,983.33
  5. Step 5: Solve for x
    x = 19,955,678,983.33/154,174.82
  6. Step 6: Final answer
    x = 129,435.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.