Home / 189,681.24-284,566.20-100,914.57

Finding the Fourth Proportional to 189,681.24, 284,566.20 and 100,914.57

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Solution

The fourth proportional to 189,681.24, 284,566.20 and 100,914.57 is: 151,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,681.24 : 284,566.20 = 100,914.57 : x
  2. Step 2: Convert to fraction form
    189,681.24/284,566.20 = 100,914.57/x
  3. Step 3: Cross multiply
    189,681.24x = 284,566.20 × 100,914.57
  4. Step 4: Simplify right side
    189,681.24x = 28,716,875,709.53
  5. Step 5: Solve for x
    x = 28,716,875,709.53/189,681.24
  6. Step 6: Final answer
    x = 151,395.44

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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.