Home / 191,038.06-263,620.47-106,150.06

Finding the Fourth Proportional to 191,038.06, 263,620.47 and 106,150.06

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Solution

The fourth proportional to 191,038.06, 263,620.47 and 106,150.06 is: 146,480.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,038.06 : 263,620.47 = 106,150.06 : x
  2. Step 2: Convert to fraction form
    191,038.06/263,620.47 = 106,150.06/x
  3. Step 3: Cross multiply
    191,038.06x = 263,620.47 × 106,150.06
  4. Step 4: Simplify right side
    191,038.06x = 27,983,328,707.73
  5. Step 5: Solve for x
    x = 27,983,328,707.73/191,038.06
  6. Step 6: Final answer
    x = 146,480.39

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1.5x scale

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.