Home / 105,159.38-157,739.40-26,273.61

Finding the Fourth Proportional to 105,159.38, 157,739.40 and 26,273.61

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Solution

The fourth proportional to 105,159.38, 157,739.40 and 26,273.61 is: 39,410.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,159.38 : 157,739.40 = 26,273.61 : x
  2. Step 2: Convert to fraction form
    105,159.38/157,739.40 = 26,273.61/x
  3. Step 3: Cross multiply
    105,159.38x = 157,739.40 × 26,273.61
  4. Step 4: Simplify right side
    105,159.38x = 4,144,383,477.23
  5. Step 5: Solve for x
    x = 4,144,383,477.23/105,159.38
  6. Step 6: Final answer
    x = 39,410.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.