Home / 152,772.73-210,823.20-84,785.75

Finding the Fourth Proportional to 152,772.73, 210,823.20 and 84,785.75

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Solution

The fourth proportional to 152,772.73, 210,823.20 and 84,785.75 is: 117,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,772.73 : 210,823.20 = 84,785.75 : x
  2. Step 2: Convert to fraction form
    152,772.73/210,823.20 = 84,785.75/x
  3. Step 3: Cross multiply
    152,772.73x = 210,823.20 × 84,785.75
  4. Step 4: Simplify right side
    152,772.73x = 17,874,803,232.53
  5. Step 5: Solve for x
    x = 17,874,803,232.53/152,772.73
  6. Step 6: Final answer
    x = 117,002.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.