Home / 129,967.89-194,970.45-40,018.23

Finding the Fourth Proportional to 129,967.89, 194,970.45 and 40,018.23

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Solution

The fourth proportional to 129,967.89, 194,970.45 and 40,018.23 is: 60,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,967.89 : 194,970.45 = 40,018.23 : x
  2. Step 2: Convert to fraction form
    129,967.89/194,970.45 = 40,018.23/x
  3. Step 3: Cross multiply
    129,967.89x = 194,970.45 × 40,018.23
  4. Step 4: Simplify right side
    129,967.89x = 7,802,372,311.30
  5. Step 5: Solve for x
    x = 7,802,372,311.30/129,967.89
  6. Step 6: Final answer
    x = 60,033.08

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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.