Home / 161,749.35-223,214.11-93,805.74

Finding the Fourth Proportional to 161,749.35, 223,214.11 and 93,805.74

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Solution

The fourth proportional to 161,749.35, 223,214.11 and 93,805.74 is: 129,451.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,749.35 : 223,214.11 = 93,805.74 : x
  2. Step 2: Convert to fraction form
    161,749.35/223,214.11 = 93,805.74/x
  3. Step 3: Cross multiply
    161,749.35x = 223,214.11 × 93,805.74
  4. Step 4: Simplify right side
    161,749.35x = 20,938,764,766.99
  5. Step 5: Solve for x
    x = 20,938,764,766.99/161,749.35
  6. Step 6: Final answer
    x = 129,451.93

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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.