Home / 118,972.47-164,182.23-65,257.92

Finding the Fourth Proportional to 118,972.47, 164,182.23 and 65,257.92

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Solution

The fourth proportional to 118,972.47, 164,182.23 and 65,257.92 is: 90,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,972.47 : 164,182.23 = 65,257.92 : x
  2. Step 2: Convert to fraction form
    118,972.47/164,182.23 = 65,257.92/x
  3. Step 3: Cross multiply
    118,972.47x = 164,182.23 × 65,257.92
  4. Step 4: Simplify right side
    118,972.47x = 10,714,190,830.76
  5. Step 5: Solve for x
    x = 10,714,190,830.76/118,972.47
  6. Step 6: Final answer
    x = 90,056.05

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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.