Home / 374,738.32-517,147.08-204,972.45

Finding the Fourth Proportional to 374,738.32, 517,147.08 and 204,972.45

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Solution

The fourth proportional to 374,738.32, 517,147.08 and 204,972.45 is: 282,866.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,738.32 : 517,147.08 = 204,972.45 : x
  2. Step 2: Convert to fraction form
    374,738.32/517,147.08 = 204,972.45/x
  3. Step 3: Cross multiply
    374,738.32x = 517,147.08 × 204,972.45
  4. Step 4: Simplify right side
    374,738.32x = 106,000,903,997.95
  5. Step 5: Solve for x
    x = 106,000,903,997.95/374,738.32
  6. Step 6: Final answer
    x = 282,866.47

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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.