Home / 173,445.21-239,323.78-96,939.84

Finding the Fourth Proportional to 173,445.21, 239,323.78 and 96,939.84

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Solution

The fourth proportional to 173,445.21, 239,323.78 and 96,939.84 is: 133,759.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,445.21 : 239,323.78 = 96,939.84 : x
  2. Step 2: Convert to fraction form
    173,445.21/239,323.78 = 96,939.84/x
  3. Step 3: Cross multiply
    173,445.21x = 239,323.78 × 96,939.84
  4. Step 4: Simplify right side
    173,445.21x = 23,200,008,941.40
  5. Step 5: Solve for x
    x = 23,200,008,941.40/173,445.21
  6. Step 6: Final answer
    x = 133,759.87

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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.