Home / 163,724.76-225,943.83-100,097.64

Finding the Fourth Proportional to 163,724.76, 225,943.83 and 100,097.64

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Solution

The fourth proportional to 163,724.76, 225,943.83 and 100,097.64 is: 138,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,724.76 : 225,943.83 = 100,097.64 : x
  2. Step 2: Convert to fraction form
    163,724.76/225,943.83 = 100,097.64/x
  3. Step 3: Cross multiply
    163,724.76x = 225,943.83 × 100,097.64
  4. Step 4: Simplify right side
    163,724.76x = 22,616,444,155.56
  5. Step 5: Solve for x
    x = 22,616,444,155.56/163,724.76
  6. Step 6: Final answer
    x = 138,136.98

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1.5x scale

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.