Home / 279,233.25-385,362.95-170,327.83

Finding the Fourth Proportional to 279,233.25, 385,362.95 and 170,327.83

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Solution

The fourth proportional to 279,233.25, 385,362.95 and 170,327.83 is: 235,065.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,233.25 : 385,362.95 = 170,327.83 : x
  2. Step 2: Convert to fraction form
    279,233.25/385,362.95 = 170,327.83/x
  3. Step 3: Cross multiply
    279,233.25x = 385,362.95 × 170,327.83
  4. Step 4: Simplify right side
    279,233.25x = 65,638,035,035.90
  5. Step 5: Solve for x
    x = 65,638,035,035.90/279,233.25
  6. Step 6: Final answer
    x = 235,065.25

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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.