Home / 194,915.04-268,982.76-105,491.04

Finding the Fourth Proportional to 194,915.04, 268,982.76 and 105,491.04

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Solution

The fourth proportional to 194,915.04, 268,982.76 and 105,491.04 is: 145,577.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,915.04 : 268,982.76 = 105,491.04 : x
  2. Step 2: Convert to fraction form
    194,915.04/268,982.76 = 105,491.04/x
  3. Step 3: Cross multiply
    194,915.04x = 268,982.76 × 105,491.04
  4. Step 4: Simplify right side
    194,915.04x = 28,375,271,094.47
  5. Step 5: Solve for x
    x = 28,375,271,094.47/194,915.04
  6. Step 6: Final answer
    x = 145,577.64

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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.