Home / 189,096.20-283,644.30-126,427.40

Finding the Fourth Proportional to 189,096.20, 283,644.30 and 126,427.40

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Solution

The fourth proportional to 189,096.20, 283,644.30 and 126,427.40 is: 189,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,096.20 : 283,644.30 = 126,427.40 : x
  2. Step 2: Convert to fraction form
    189,096.20/283,644.30 = 126,427.40/x
  3. Step 3: Cross multiply
    189,096.20x = 283,644.30 × 126,427.40
  4. Step 4: Simplify right side
    189,096.20x = 35,860,411,373.82
  5. Step 5: Solve for x
    x = 35,860,411,373.82/189,096.20
  6. Step 6: Final answer
    x = 189,641.10

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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.