Home / 318,006.20-438,848.89-174,763.17

Finding the Fourth Proportional to 318,006.20, 438,848.89 and 174,763.17

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Solution

The fourth proportional to 318,006.20, 438,848.89 and 174,763.17 is: 241,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,006.20 : 438,848.89 = 174,763.17 : x
  2. Step 2: Convert to fraction form
    318,006.20/438,848.89 = 174,763.17/x
  3. Step 3: Cross multiply
    318,006.20x = 438,848.89 × 174,763.17
  4. Step 4: Simplify right side
    318,006.20x = 76,694,622,730.47
  5. Step 5: Solve for x
    x = 76,694,622,730.47/318,006.20
  6. Step 6: Final answer
    x = 241,173.35

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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.