Home / 236,631.04-354,963.60-74,511.20

Finding the Fourth Proportional to 236,631.04, 354,963.60 and 74,511.20

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Solution

The fourth proportional to 236,631.04, 354,963.60 and 74,511.20 is: 111,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,631.04 : 354,963.60 = 74,511.20 : x
  2. Step 2: Convert to fraction form
    236,631.04/354,963.60 = 74,511.20/x
  3. Step 3: Cross multiply
    236,631.04x = 354,963.60 × 74,511.20
  4. Step 4: Simplify right side
    236,631.04x = 26,448,763,792.32
  5. Step 5: Solve for x
    x = 26,448,763,792.32/236,631.04
  6. Step 6: Final answer
    x = 111,772.17

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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.