Home / 153,608.84-211,982.52-85,623.92

Finding the Fourth Proportional to 153,608.84, 211,982.52 and 85,623.92

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Solution

The fourth proportional to 153,608.84, 211,982.52 and 85,623.92 is: 118,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,608.84 : 211,982.52 = 85,623.92 : x
  2. Step 2: Convert to fraction form
    153,608.84/211,982.52 = 85,623.92/x
  3. Step 3: Cross multiply
    153,608.84x = 211,982.52 × 85,623.92
  4. Step 4: Simplify right side
    153,608.84x = 18,150,774,333.88
  5. Step 5: Solve for x
    x = 18,150,774,333.88/153,608.84
  6. Step 6: Final answer
    x = 118,162.30

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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.