Home / 188,680.36-282,962.93-53,755.45

Finding the Fourth Proportional to 188,680.36, 282,962.93 and 53,755.45

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Solution

The fourth proportional to 188,680.36, 282,962.93 and 53,755.45 is: 80,616.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,680.36 : 282,962.93 = 53,755.45 : x
  2. Step 2: Convert to fraction form
    188,680.36/282,962.93 = 53,755.45/x
  3. Step 3: Cross multiply
    188,680.36x = 282,962.93 × 53,755.45
  4. Step 4: Simplify right side
    188,680.36x = 15,210,799,062.45
  5. Step 5: Solve for x
    x = 15,210,799,062.45/188,680.36
  6. Step 6: Final answer
    x = 80,616.76

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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.