Home / 105,705.09-158,557.23-26,819.10

Finding the Fourth Proportional to 105,705.09, 158,557.23 and 26,819.10

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Solution

The fourth proportional to 105,705.09, 158,557.23 and 26,819.10 is: 40,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,705.09 : 158,557.23 = 26,819.10 : x
  2. Step 2: Convert to fraction form
    105,705.09/158,557.23 = 26,819.10/x
  3. Step 3: Cross multiply
    105,705.09x = 158,557.23 × 26,819.10
  4. Step 4: Simplify right side
    105,705.09x = 4,252,362,207.09
  5. Step 5: Solve for x
    x = 4,252,362,207.09/105,705.09
  6. Step 6: Final answer
    x = 40,228.55

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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.