Home / 216,054.24-324,113.76-75,788.16

Finding the Fourth Proportional to 216,054.24, 324,113.76 and 75,788.16

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Solution

The fourth proportional to 216,054.24, 324,113.76 and 75,788.16 is: 113,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,054.24 : 324,113.76 = 75,788.16 : x
  2. Step 2: Convert to fraction form
    216,054.24/324,113.76 = 75,788.16/x
  3. Step 3: Cross multiply
    216,054.24x = 324,113.76 × 75,788.16
  4. Step 4: Simplify right side
    216,054.24x = 24,563,985,501.08
  5. Step 5: Solve for x
    x = 24,563,985,501.08/216,054.24
  6. Step 6: Final answer
    x = 113,693.61

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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.