Home / 143,455.54-215,104.31-59,196.55

Finding the Fourth Proportional to 143,455.54, 215,104.31 and 59,196.55

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Solution

The fourth proportional to 143,455.54, 215,104.31 and 59,196.55 is: 88,762.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,455.54 : 215,104.31 = 59,196.55 : x
  2. Step 2: Convert to fraction form
    143,455.54/215,104.31 = 59,196.55/x
  3. Step 3: Cross multiply
    143,455.54x = 215,104.31 × 59,196.55
  4. Step 4: Simplify right side
    143,455.54x = 12,733,431,670.63
  5. Step 5: Solve for x
    x = 12,733,431,670.63/143,455.54
  6. Step 6: Final answer
    x = 88,762.22

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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.