Home / 374,908.20-561,656.12-185,146.56

Finding the Fourth Proportional to 374,908.20, 561,656.12 and 185,146.56

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Solution

The fourth proportional to 374,908.20, 561,656.12 and 185,146.56 is: 277,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,908.20 : 561,656.12 = 185,146.56 : x
  2. Step 2: Convert to fraction form
    374,908.20/561,656.12 = 185,146.56/x
  3. Step 3: Cross multiply
    374,908.20x = 561,656.12 × 185,146.56
  4. Step 4: Simplify right side
    374,908.20x = 103,988,698,520.95
  5. Step 5: Solve for x
    x = 103,988,698,520.95/374,908.20
  6. Step 6: Final answer
    x = 277,371.10

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1.5x scale

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.