Home / 129,416.53-193,961.23-58,263.40

Finding the Fourth Proportional to 129,416.53, 193,961.23 and 58,263.40

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Solution

The fourth proportional to 129,416.53, 193,961.23 and 58,263.40 is: 87,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,416.53 : 193,961.23 = 58,263.40 : x
  2. Step 2: Convert to fraction form
    129,416.53/193,961.23 = 58,263.40/x
  3. Step 3: Cross multiply
    129,416.53x = 193,961.23 × 58,263.40
  4. Step 4: Simplify right side
    129,416.53x = 11,300,839,466.86
  5. Step 5: Solve for x
    x = 11,300,839,466.86/129,416.53
  6. Step 6: Final answer
    x = 87,321.45

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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.