Home / 189,526.86-284,289.12-47,371.43

Finding the Fourth Proportional to 189,526.86, 284,289.12 and 47,371.43

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Solution

The fourth proportional to 189,526.86, 284,289.12 and 47,371.43 is: 71,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,526.86 : 284,289.12 = 47,371.43 : x
  2. Step 2: Convert to fraction form
    189,526.86/284,289.12 = 47,371.43/x
  3. Step 3: Cross multiply
    189,526.86x = 284,289.12 × 47,371.43
  4. Step 4: Simplify right side
    189,526.86x = 13,467,180,726.40
  5. Step 5: Solve for x
    x = 13,467,180,726.40/189,526.86
  6. Step 6: Final answer
    x = 71,056.85

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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.