Home / 162,121.03-223,730.78-101,694.22

Finding the Fourth Proportional to 162,121.03, 223,730.78 and 101,694.22

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Solution

The fourth proportional to 162,121.03, 223,730.78 and 101,694.22 is: 140,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,121.03 : 223,730.78 = 101,694.22 : x
  2. Step 2: Convert to fraction form
    162,121.03/223,730.78 = 101,694.22/x
  3. Step 3: Cross multiply
    162,121.03x = 223,730.78 × 101,694.22
  4. Step 4: Simplify right side
    162,121.03x = 22,752,126,094.29
  5. Step 5: Solve for x
    x = 22,752,126,094.29/162,121.03
  6. Step 6: Final answer
    x = 140,340.38

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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.