Home / 309,031.19-463,618.68-95,787.80

Finding the Fourth Proportional to 309,031.19, 463,618.68 and 95,787.80

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Solution

The fourth proportional to 309,031.19, 463,618.68 and 95,787.80 is: 143,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,031.19 : 463,618.68 = 95,787.80 : x
  2. Step 2: Convert to fraction form
    309,031.19/463,618.68 = 95,787.80/x
  3. Step 3: Cross multiply
    309,031.19x = 463,618.68 × 95,787.80
  4. Step 4: Simplify right side
    309,031.19x = 44,409,011,078.01
  5. Step 5: Solve for x
    x = 44,409,011,078.01/309,031.19
  6. Step 6: Final answer
    x = 143,703.98

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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.