Home / 319,049.08-440,307.30-175,809.04

Finding the Fourth Proportional to 319,049.08, 440,307.30 and 175,809.04

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Solution

The fourth proportional to 319,049.08, 440,307.30 and 175,809.04 is: 242,627.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,049.08 : 440,307.30 = 175,809.04 : x
  2. Step 2: Convert to fraction form
    319,049.08/440,307.30 = 175,809.04/x
  3. Step 3: Cross multiply
    319,049.08x = 440,307.30 × 175,809.04
  4. Step 4: Simplify right side
    319,049.08x = 77,410,003,717.99
  5. Step 5: Solve for x
    x = 77,410,003,717.99/319,049.08
  6. Step 6: Final answer
    x = 242,627.26

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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.