Home / 191,038.15-263,619.84-104,995.27

Finding the Fourth Proportional to 191,038.15, 263,619.84 and 104,995.27

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Solution

The fourth proportional to 191,038.15, 263,619.84 and 104,995.27 is: 144,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,038.15 : 263,619.84 = 104,995.27 : x
  2. Step 2: Convert to fraction form
    191,038.15/263,619.84 = 104,995.27/x
  3. Step 3: Cross multiply
    191,038.15x = 263,619.84 × 104,995.27
  4. Step 4: Simplify right side
    191,038.15x = 27,678,836,278.16
  5. Step 5: Solve for x
    x = 27,678,836,278.16/191,038.15
  6. Step 6: Final answer
    x = 144,886.43

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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.