Home / 320,788.95-442,799.36-184,877.16

Finding the Fourth Proportional to 320,788.95, 442,799.36 and 184,877.16

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Solution

The fourth proportional to 320,788.95, 442,799.36 and 184,877.16 is: 255,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,788.95 : 442,799.36 = 184,877.16 : x
  2. Step 2: Convert to fraction form
    320,788.95/442,799.36 = 184,877.16/x
  3. Step 3: Cross multiply
    320,788.95x = 442,799.36 × 184,877.16
  4. Step 4: Simplify right side
    320,788.95x = 81,863,487,202.23
  5. Step 5: Solve for x
    x = 81,863,487,202.23/320,788.95
  6. Step 6: Final answer
    x = 255,194.22

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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.