Home / 314,910.78-434,555.10-177,110.34

Finding the Fourth Proportional to 314,910.78, 434,555.10 and 177,110.34

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Solution

The fourth proportional to 314,910.78, 434,555.10 and 177,110.34 is: 244,400.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,910.78 : 434,555.10 = 177,110.34 : x
  2. Step 2: Convert to fraction form
    314,910.78/434,555.10 = 177,110.34/x
  3. Step 3: Cross multiply
    314,910.78x = 434,555.10 × 177,110.34
  4. Step 4: Simplify right side
    314,910.78x = 76,964,201,509.73
  5. Step 5: Solve for x
    x = 76,964,201,509.73/314,910.78
  6. Step 6: Final answer
    x = 244,400.02

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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.