Home / 191,107.90-263,732.06-105,070.52

Finding the Fourth Proportional to 191,107.90, 263,732.06 and 105,070.52

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Solution

The fourth proportional to 191,107.90, 263,732.06 and 105,070.52 is: 144,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,107.90 : 263,732.06 = 105,070.52 : x
  2. Step 2: Convert to fraction form
    191,107.90/263,732.06 = 105,070.52/x
  3. Step 3: Cross multiply
    191,107.90x = 263,732.06 × 105,070.52
  4. Step 4: Simplify right side
    191,107.90x = 27,710,464,684.87
  5. Step 5: Solve for x
    x = 27,710,464,684.87/191,107.90
  6. Step 6: Final answer
    x = 144,999.05

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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.