Home / 278,058.14-383,705.31-157,192.22

Finding the Fourth Proportional to 278,058.14, 383,705.31 and 157,192.22

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Solution

The fourth proportional to 278,058.14, 383,705.31 and 157,192.22 is: 216,916.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,058.14 : 383,705.31 = 157,192.22 : x
  2. Step 2: Convert to fraction form
    278,058.14/383,705.31 = 157,192.22/x
  3. Step 3: Cross multiply
    278,058.14x = 383,705.31 × 157,192.22
  4. Step 4: Simplify right side
    278,058.14x = 60,315,487,586.16
  5. Step 5: Solve for x
    x = 60,315,487,586.16/278,058.14
  6. Step 6: Final answer
    x = 216,916.82

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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.