Home / 371,260.95-557,156.91-158,178.09

Finding the Fourth Proportional to 371,260.95, 557,156.91 and 158,178.09

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Solution

The fourth proportional to 371,260.95, 557,156.91 and 158,178.09 is: 237,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,260.95 : 557,156.91 = 158,178.09 : x
  2. Step 2: Convert to fraction form
    371,260.95/557,156.91 = 158,178.09/x
  3. Step 3: Cross multiply
    371,260.95x = 557,156.91 × 158,178.09
  4. Step 4: Simplify right side
    371,260.95x = 88,130,015,854.10
  5. Step 5: Solve for x
    x = 88,130,015,854.10/371,260.95
  6. Step 6: Final answer
    x = 237,380.25

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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.