Home / 166,772.48-230,144.33-90,289.55

Finding the Fourth Proportional to 166,772.48, 230,144.33 and 90,289.55

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Solution

The fourth proportional to 166,772.48, 230,144.33 and 90,289.55 is: 124,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,772.48 : 230,144.33 = 90,289.55 : x
  2. Step 2: Convert to fraction form
    166,772.48/230,144.33 = 90,289.55/x
  3. Step 3: Cross multiply
    166,772.48x = 230,144.33 × 90,289.55
  4. Step 4: Simplify right side
    166,772.48x = 20,779,626,388.58
  5. Step 5: Solve for x
    x = 20,779,626,388.58/166,772.48
  6. Step 6: Final answer
    x = 124,598.66

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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.