Home / 188,541.25-260,270.80-112,085.10

Finding the Fourth Proportional to 188,541.25, 260,270.80 and 112,085.10

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Solution

The fourth proportional to 188,541.25, 260,270.80 and 112,085.10 is: 154,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,541.25 : 260,270.80 = 112,085.10 : x
  2. Step 2: Convert to fraction form
    188,541.25/260,270.80 = 112,085.10/x
  3. Step 3: Cross multiply
    188,541.25x = 260,270.80 × 112,085.10
  4. Step 4: Simplify right side
    188,541.25x = 29,172,478,364.87
  5. Step 5: Solve for x
    x = 29,172,478,364.87/188,541.25
  6. Step 6: Final answer
    x = 154,727.30

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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.