Home / 161,614.44-223,025.40-90,000.72

Finding the Fourth Proportional to 161,614.44, 223,025.40 and 90,000.72

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Solution

The fourth proportional to 161,614.44, 223,025.40 and 90,000.72 is: 124,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,614.44 : 223,025.40 = 90,000.72 : x
  2. Step 2: Convert to fraction form
    161,614.44/223,025.40 = 90,000.72/x
  3. Step 3: Cross multiply
    161,614.44x = 223,025.40 × 90,000.72
  4. Step 4: Simplify right side
    161,614.44x = 20,072,446,578.29
  5. Step 5: Solve for x
    x = 20,072,446,578.29/161,614.44
  6. Step 6: Final answer
    x = 124,199.59

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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.