Home / 191,495.24-264,247.09-106,620.20

Finding the Fourth Proportional to 191,495.24, 264,247.09 and 106,620.20

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Solution

The fourth proportional to 191,495.24, 264,247.09 and 106,620.20 is: 147,126.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,495.24 : 264,247.09 = 106,620.20 : x
  2. Step 2: Convert to fraction form
    191,495.24/264,247.09 = 106,620.20/x
  3. Step 3: Cross multiply
    191,495.24x = 264,247.09 × 106,620.20
  4. Step 4: Simplify right side
    191,495.24x = 28,174,076,263.98
  5. Step 5: Solve for x
    x = 28,174,076,263.98/191,495.24
  6. Step 6: Final answer
    x = 147,126.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.