Home / 295,557.03-407,871.27-168,240.78

Finding the Fourth Proportional to 295,557.03, 407,871.27 and 168,240.78

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Solution

The fourth proportional to 295,557.03, 407,871.27 and 168,240.78 is: 232,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,557.03 : 407,871.27 = 168,240.78 : x
  2. Step 2: Convert to fraction form
    295,557.03/407,871.27 = 168,240.78/x
  3. Step 3: Cross multiply
    295,557.03x = 407,871.27 × 168,240.78
  4. Step 4: Simplify right side
    295,557.03x = 68,620,580,604.39
  5. Step 5: Solve for x
    x = 68,620,580,604.39/295,557.03
  6. Step 6: Final answer
    x = 232,173.74

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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.