Home / 464,721.40-697,179.30-149,210.20

Finding the Fourth Proportional to 464,721.40, 697,179.30 and 149,210.20

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Solution

The fourth proportional to 464,721.40, 697,179.30 and 149,210.20 is: 223,846.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,721.40 : 697,179.30 = 149,210.20 : x
  2. Step 2: Convert to fraction form
    464,721.40/697,179.30 = 149,210.20/x
  3. Step 3: Cross multiply
    464,721.40x = 697,179.30 × 149,210.20
  4. Step 4: Simplify right side
    464,721.40x = 104,026,262,788.86
  5. Step 5: Solve for x
    x = 104,026,262,788.86/464,721.40
  6. Step 6: Final answer
    x = 223,846.51

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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.