Home / 161,946.21-223,486.11-90,324.39

Finding the Fourth Proportional to 161,946.21, 223,486.11 and 90,324.39

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Solution

The fourth proportional to 161,946.21, 223,486.11 and 90,324.39 is: 124,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,946.21 : 223,486.11 = 90,324.39 : x
  2. Step 2: Convert to fraction form
    161,946.21/223,486.11 = 90,324.39/x
  3. Step 3: Cross multiply
    161,946.21x = 223,486.11 × 90,324.39
  4. Step 4: Simplify right side
    161,946.21x = 20,186,246,559.22
  5. Step 5: Solve for x
    x = 20,186,246,559.22/161,946.21
  6. Step 6: Final answer
    x = 124,647.85

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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.