Home / 181,475.84-250,435.32-100,902.72

Finding the Fourth Proportional to 181,475.84, 250,435.32 and 100,902.72

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Solution

The fourth proportional to 181,475.84, 250,435.32 and 100,902.72 is: 139,245.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,475.84 : 250,435.32 = 100,902.72 : x
  2. Step 2: Convert to fraction form
    181,475.84/250,435.32 = 100,902.72/x
  3. Step 3: Cross multiply
    181,475.84x = 250,435.32 × 100,902.72
  4. Step 4: Simplify right side
    181,475.84x = 25,269,604,972.07
  5. Step 5: Solve for x
    x = 25,269,604,972.07/181,475.84
  6. Step 6: Final answer
    x = 139,245.01

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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.