Home / 282,068.10-422,972.55-124,215.30

Finding the Fourth Proportional to 282,068.10, 422,972.55 and 124,215.30

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Solution

The fourth proportional to 282,068.10, 422,972.55 and 124,215.30 is: 186,265.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,068.10 : 422,972.55 = 124,215.30 : x
  2. Step 2: Convert to fraction form
    282,068.10/422,972.55 = 124,215.30/x
  3. Step 3: Cross multiply
    282,068.10x = 422,972.55 × 124,215.30
  4. Step 4: Simplify right side
    282,068.10x = 52,539,662,190.02
  5. Step 5: Solve for x
    x = 52,539,662,190.02/282,068.10
  6. Step 6: Final answer
    x = 186,265.88

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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.