Home / 194,732.18-268,730.25-105,308.18

Finding the Fourth Proportional to 194,732.18, 268,730.25 and 105,308.18

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Solution

The fourth proportional to 194,732.18, 268,730.25 and 105,308.18 is: 145,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,732.18 : 268,730.25 = 105,308.18 : x
  2. Step 2: Convert to fraction form
    194,732.18/268,730.25 = 105,308.18/x
  3. Step 3: Cross multiply
    194,732.18x = 268,730.25 × 105,308.18
  4. Step 4: Simplify right side
    194,732.18x = 28,299,493,538.45
  5. Step 5: Solve for x
    x = 28,299,493,538.45/194,732.18
  6. Step 6: Final answer
    x = 145,325.20

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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.