Home / 120,663.72-181,021.58-36,416.84

Finding the Fourth Proportional to 120,663.72, 181,021.58 and 36,416.84

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Solution

The fourth proportional to 120,663.72, 181,021.58 and 36,416.84 is: 54,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,663.72 : 181,021.58 = 36,416.84 : x
  2. Step 2: Convert to fraction form
    120,663.72/181,021.58 = 36,416.84/x
  3. Step 3: Cross multiply
    120,663.72x = 181,021.58 × 36,416.84
  4. Step 4: Simplify right side
    120,663.72x = 6,592,233,915.41
  5. Step 5: Solve for x
    x = 6,592,233,915.41/120,663.72
  6. Step 6: Final answer
    x = 54,633.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.