Home / 189,836.10-284,426.10-160,311.60

Finding the Fourth Proportional to 189,836.10, 284,426.10 and 160,311.60

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Solution

The fourth proportional to 189,836.10, 284,426.10 and 160,311.60 is: 240,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,836.10 : 284,426.10 = 160,311.60 : x
  2. Step 2: Convert to fraction form
    189,836.10/284,426.10 = 160,311.60/x
  3. Step 3: Cross multiply
    189,836.10x = 284,426.10 × 160,311.60
  4. Step 4: Simplify right side
    189,836.10x = 45,596,803,172.76
  5. Step 5: Solve for x
    x = 45,596,803,172.76/189,836.10
  6. Step 6: Final answer
    x = 240,190.37

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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.