Home / 161,968.01-223,516.21-90,352.67

Finding the Fourth Proportional to 161,968.01, 223,516.21 and 90,352.67

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Solution

The fourth proportional to 161,968.01, 223,516.21 and 90,352.67 is: 124,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,968.01 : 223,516.21 = 90,352.67 : x
  2. Step 2: Convert to fraction form
    161,968.01/223,516.21 = 90,352.67/x
  3. Step 3: Cross multiply
    161,968.01x = 223,516.21 × 90,352.67
  4. Step 4: Simplify right side
    161,968.01x = 20,195,286,195.33
  5. Step 5: Solve for x
    x = 20,195,286,195.33/161,968.01
  6. Step 6: Final answer
    x = 124,686.88

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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.