Home / 314,821.07-434,440.42-171,578.04

Finding the Fourth Proportional to 314,821.07, 434,440.42 and 171,578.04

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Solution

The fourth proportional to 314,821.07, 434,440.42 and 171,578.04 is: 236,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,821.07 : 434,440.42 = 171,578.04 : x
  2. Step 2: Convert to fraction form
    314,821.07/434,440.42 = 171,578.04/x
  3. Step 3: Cross multiply
    314,821.07x = 434,440.42 × 171,578.04
  4. Step 4: Simplify right side
    314,821.07x = 74,540,435,760.38
  5. Step 5: Solve for x
    x = 74,540,435,760.38/314,821.07
  6. Step 6: Final answer
    x = 236,770.80

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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.