Home / 278,058.98-383,586.09-164,801.54

Finding the Fourth Proportional to 278,058.98, 383,586.09 and 164,801.54

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Solution

The fourth proportional to 278,058.98, 383,586.09 and 164,801.54 is: 227,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,058.98 : 383,586.09 = 164,801.54 : x
  2. Step 2: Convert to fraction form
    278,058.98/383,586.09 = 164,801.54/x
  3. Step 3: Cross multiply
    278,058.98x = 383,586.09 × 164,801.54
  4. Step 4: Simplify right side
    278,058.98x = 63,215,578,354.58
  5. Step 5: Solve for x
    x = 63,215,578,354.58/278,058.98
  6. Step 6: Final answer
    x = 227,345.93

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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.