Home / 216,823.48-325,154.40-74,629.06

Finding the Fourth Proportional to 216,823.48, 325,154.40 and 74,629.06

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Solution

The fourth proportional to 216,823.48, 325,154.40 and 74,629.06 is: 111,915.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,823.48 : 325,154.40 = 74,629.06 : x
  2. Step 2: Convert to fraction form
    216,823.48/325,154.40 = 74,629.06/x
  3. Step 3: Cross multiply
    216,823.48x = 325,154.40 × 74,629.06
  4. Step 4: Simplify right side
    216,823.48x = 24,265,967,226.86
  5. Step 5: Solve for x
    x = 24,265,967,226.86/216,823.48
  6. Step 6: Final answer
    x = 111,915.77

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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.