Home / 188,200.17-282,313.28-75,881.40

Finding the Fourth Proportional to 188,200.17, 282,313.28 and 75,881.40

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Solution

The fourth proportional to 188,200.17, 282,313.28 and 75,881.40 is: 113,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,200.17 : 282,313.28 = 75,881.40 : x
  2. Step 2: Convert to fraction form
    188,200.17/282,313.28 = 75,881.40/x
  3. Step 3: Cross multiply
    188,200.17x = 282,313.28 × 75,881.40
  4. Step 4: Simplify right side
    188,200.17x = 21,422,326,924.99
  5. Step 5: Solve for x
    x = 21,422,326,924.99/188,200.17
  6. Step 6: Final answer
    x = 113,827.35

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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.