Home / 279,440.88-385,628.46-152,117.42

Finding the Fourth Proportional to 279,440.88, 385,628.46 and 152,117.42

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Solution

The fourth proportional to 279,440.88, 385,628.46 and 152,117.42 is: 209,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,440.88 : 385,628.46 = 152,117.42 : x
  2. Step 2: Convert to fraction form
    279,440.88/385,628.46 = 152,117.42/x
  3. Step 3: Cross multiply
    279,440.88x = 385,628.46 × 152,117.42
  4. Step 4: Simplify right side
    279,440.88x = 58,660,806,413.77
  5. Step 5: Solve for x
    x = 58,660,806,413.77/279,440.88
  6. Step 6: Final answer
    x = 209,922.06

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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.