Home / 309,215.04-463,830.12-175,137.36

Finding the Fourth Proportional to 309,215.04, 463,830.12 and 175,137.36

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Solution

The fourth proportional to 309,215.04, 463,830.12 and 175,137.36 is: 262,710.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,215.04 : 463,830.12 = 175,137.36 : x
  2. Step 2: Convert to fraction form
    309,215.04/463,830.12 = 175,137.36/x
  3. Step 3: Cross multiply
    309,215.04x = 463,830.12 × 175,137.36
  4. Step 4: Simplify right side
    309,215.04x = 81,233,982,705.28
  5. Step 5: Solve for x
    x = 81,233,982,705.28/309,215.04
  6. Step 6: Final answer
    x = 262,710.32

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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.