Home / 161,915.68-223,334.04-140,658.04

Finding the Fourth Proportional to 161,915.68, 223,334.04 and 140,658.04

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Solution

The fourth proportional to 161,915.68, 223,334.04 and 140,658.04 is: 194,012.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,915.68 : 223,334.04 = 140,658.04 : x
  2. Step 2: Convert to fraction form
    161,915.68/223,334.04 = 140,658.04/x
  3. Step 3: Cross multiply
    161,915.68x = 223,334.04 × 140,658.04
  4. Step 4: Simplify right side
    161,915.68x = 31,413,728,331.68
  5. Step 5: Solve for x
    x = 31,413,728,331.68/161,915.68
  6. Step 6: Final answer
    x = 194,012.89

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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.