Home / 236,429.60-354,644.40-112,013.60

Finding the Fourth Proportional to 236,429.60, 354,644.40 and 112,013.60

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Solution

The fourth proportional to 236,429.60, 354,644.40 and 112,013.60 is: 168,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,429.60 : 354,644.40 = 112,013.60 : x
  2. Step 2: Convert to fraction form
    236,429.60/354,644.40 = 112,013.60/x
  3. Step 3: Cross multiply
    236,429.60x = 354,644.40 × 112,013.60
  4. Step 4: Simplify right side
    236,429.60x = 39,724,995,963.84
  5. Step 5: Solve for x
    x = 39,724,995,963.84/236,429.60
  6. Step 6: Final answer
    x = 168,020.40

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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.