Home / 224,122.81-309,285.66-122,149.48

Finding the Fourth Proportional to 224,122.81, 309,285.66 and 122,149.48

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Solution

The fourth proportional to 224,122.81, 309,285.66 and 122,149.48 is: 168,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,122.81 : 309,285.66 = 122,149.48 : x
  2. Step 2: Convert to fraction form
    224,122.81/309,285.66 = 122,149.48/x
  3. Step 3: Cross multiply
    224,122.81x = 309,285.66 × 122,149.48
  4. Step 4: Simplify right side
    224,122.81x = 37,779,082,540.46
  5. Step 5: Solve for x
    x = 37,779,082,540.46/224,122.81
  6. Step 6: Final answer
    x = 168,564.20

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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.