Home / 192,844.80-289,461.60-93,085.20

Finding the Fourth Proportional to 192,844.80, 289,461.60 and 93,085.20

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Solution

The fourth proportional to 192,844.80, 289,461.60 and 93,085.20 is: 139,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,844.80 : 289,461.60 = 93,085.20 : x
  2. Step 2: Convert to fraction form
    192,844.80/289,461.60 = 93,085.20/x
  3. Step 3: Cross multiply
    192,844.80x = 289,461.60 × 93,085.20
  4. Step 4: Simplify right side
    192,844.80x = 26,944,590,928.32
  5. Step 5: Solve for x
    x = 26,944,590,928.32/192,844.80
  6. Step 6: Final answer
    x = 139,721.64

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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.