Home / 194,431.45-268,315.34-105,007.45

Finding the Fourth Proportional to 194,431.45, 268,315.34 and 105,007.45

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Solution

The fourth proportional to 194,431.45, 268,315.34 and 105,007.45 is: 144,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,431.45 : 268,315.34 = 105,007.45 : x
  2. Step 2: Convert to fraction form
    194,431.45/268,315.34 = 105,007.45/x
  3. Step 3: Cross multiply
    194,431.45x = 268,315.34 × 105,007.45
  4. Step 4: Simplify right side
    194,431.45x = 28,175,109,649.28
  5. Step 5: Solve for x
    x = 28,175,109,649.28/194,431.45
  6. Step 6: Final answer
    x = 144,910.25

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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.