Home / 210,826.20-316,385.10-151,704.30

Finding the Fourth Proportional to 210,826.20, 316,385.10 and 151,704.30

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Solution

The fourth proportional to 210,826.20, 316,385.10 and 151,704.30 is: 227,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,826.20 : 316,385.10 = 151,704.30 : x
  2. Step 2: Convert to fraction form
    210,826.20/316,385.10 = 151,704.30/x
  3. Step 3: Cross multiply
    210,826.20x = 316,385.10 × 151,704.30
  4. Step 4: Simplify right side
    210,826.20x = 47,996,980,125.93
  5. Step 5: Solve for x
    x = 47,996,980,125.93/210,826.20
  6. Step 6: Final answer
    x = 227,661.36

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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.