Home / 105,648.28-158,478.20-26,763.19

Finding the Fourth Proportional to 105,648.28, 158,478.20 and 26,763.19

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Solution

The fourth proportional to 105,648.28, 158,478.20 and 26,763.19 is: 40,146.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,648.28 : 158,478.20 = 26,763.19 : x
  2. Step 2: Convert to fraction form
    105,648.28/158,478.20 = 26,763.19/x
  3. Step 3: Cross multiply
    105,648.28x = 158,478.20 × 26,763.19
  4. Step 4: Simplify right side
    105,648.28x = 4,241,381,747.81
  5. Step 5: Solve for x
    x = 4,241,381,747.81/105,648.28
  6. Step 6: Final answer
    x = 40,146.25

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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.