Home / 152,174.35-209,962.83-98,394.64

Finding the Fourth Proportional to 152,174.35, 209,962.83 and 98,394.64

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Solution

The fourth proportional to 152,174.35, 209,962.83 and 98,394.64 is: 135,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,174.35 : 209,962.83 = 98,394.64 : x
  2. Step 2: Convert to fraction form
    152,174.35/209,962.83 = 98,394.64/x
  3. Step 3: Cross multiply
    152,174.35x = 209,962.83 × 98,394.64
  4. Step 4: Simplify right side
    152,174.35x = 20,659,217,071.23
  5. Step 5: Solve for x
    x = 20,659,217,071.23/152,174.35
  6. Step 6: Final answer
    x = 135,760.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.