Home / 476,521.96-714,624.36-192,139.06

Finding the Fourth Proportional to 476,521.96, 714,624.36 and 192,139.06

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Solution

The fourth proportional to 476,521.96, 714,624.36 and 192,139.06 is: 288,144.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,521.96 : 714,624.36 = 192,139.06 : x
  2. Step 2: Convert to fraction form
    476,521.96/714,624.36 = 192,139.06/x
  3. Step 3: Cross multiply
    476,521.96x = 714,624.36 × 192,139.06
  4. Step 4: Simplify right side
    476,521.96x = 137,307,252,783.50
  5. Step 5: Solve for x
    x = 137,307,252,783.50/476,521.96
  6. Step 6: Final answer
    x = 288,144.65

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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.