Home / 463,736.07-695,670.15-143,915.57

Finding the Fourth Proportional to 463,736.07, 695,670.15 and 143,915.57

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Solution

The fourth proportional to 463,736.07, 695,670.15 and 143,915.57 is: 215,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,736.07 : 695,670.15 = 143,915.57 : x
  2. Step 2: Convert to fraction form
    463,736.07/695,670.15 = 143,915.57/x
  3. Step 3: Cross multiply
    463,736.07x = 695,670.15 × 143,915.57
  4. Step 4: Simplify right side
    463,736.07x = 100,117,765,839.33
  5. Step 5: Solve for x
    x = 100,117,765,839.33/463,736.07
  6. Step 6: Final answer
    x = 215,893.85

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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.