Home / 161,974.04-223,524.24-90,353.84

Finding the Fourth Proportional to 161,974.04, 223,524.24 and 90,353.84

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Solution

The fourth proportional to 161,974.04, 223,524.24 and 90,353.84 is: 124,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,974.04 : 223,524.24 = 90,353.84 : x
  2. Step 2: Convert to fraction form
    161,974.04/223,524.24 = 90,353.84/x
  3. Step 3: Cross multiply
    161,974.04x = 223,524.24 × 90,353.84
  4. Step 4: Simplify right side
    161,974.04x = 20,196,273,417.08
  5. Step 5: Solve for x
    x = 20,196,273,417.08/161,974.04
  6. Step 6: Final answer
    x = 124,688.34

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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.