Home / 191,985.30-264,939.83-107,102.36

Finding the Fourth Proportional to 191,985.30, 264,939.83 and 107,102.36

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Solution

The fourth proportional to 191,985.30, 264,939.83 and 107,102.36 is: 147,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,985.30 : 264,939.83 = 107,102.36 : x
  2. Step 2: Convert to fraction form
    191,985.30/264,939.83 = 107,102.36/x
  3. Step 3: Cross multiply
    191,985.30x = 264,939.83 × 107,102.36
  4. Step 4: Simplify right side
    191,985.30x = 28,375,681,051.00
  5. Step 5: Solve for x
    x = 28,375,681,051.00/191,985.30
  6. Step 6: Final answer
    x = 147,801.32

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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.