Home / 155,058.24-232,392.32-83,978.08

Finding the Fourth Proportional to 155,058.24, 232,392.32 and 83,978.08

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Solution

The fourth proportional to 155,058.24, 232,392.32 and 83,978.08 is: 125,861.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,058.24 : 232,392.32 = 83,978.08 : x
  2. Step 2: Convert to fraction form
    155,058.24/232,392.32 = 83,978.08/x
  3. Step 3: Cross multiply
    155,058.24x = 232,392.32 × 83,978.08
  4. Step 4: Simplify right side
    155,058.24x = 19,515,860,840.35
  5. Step 5: Solve for x
    x = 19,515,860,840.35/155,058.24
  6. Step 6: Final answer
    x = 125,861.49

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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.