Home / 216,323.16-324,522.20-96,422.64

Finding the Fourth Proportional to 216,323.16, 324,522.20 and 96,422.64

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Solution

The fourth proportional to 216,323.16, 324,522.20 and 96,422.64 is: 144,650.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,323.16 : 324,522.20 = 96,422.64 : x
  2. Step 2: Convert to fraction form
    216,323.16/324,522.20 = 96,422.64/x
  3. Step 3: Cross multiply
    216,323.16x = 324,522.20 × 96,422.64
  4. Step 4: Simplify right side
    216,323.16x = 31,291,287,262.61
  5. Step 5: Solve for x
    x = 31,291,287,262.61/216,323.16
  6. Step 6: Final answer
    x = 144,650.66

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1.5x scale

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.