Home / 166,307.26-229,503.62-90,856.30

Finding the Fourth Proportional to 166,307.26, 229,503.62 and 90,856.30

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Solution

The fourth proportional to 166,307.26, 229,503.62 and 90,856.30 is: 125,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,307.26 : 229,503.62 = 90,856.30 : x
  2. Step 2: Convert to fraction form
    166,307.26/229,503.62 = 90,856.30/x
  3. Step 3: Cross multiply
    166,307.26x = 229,503.62 × 90,856.30
  4. Step 4: Simplify right side
    166,307.26x = 20,851,849,749.81
  5. Step 5: Solve for x
    x = 20,851,849,749.81/166,307.26
  6. Step 6: Final answer
    x = 125,381.48

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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.