Home / 105,690.42-158,535.29-26,804.45

Finding the Fourth Proportional to 105,690.42, 158,535.29 and 26,804.45

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Solution

The fourth proportional to 105,690.42, 158,535.29 and 26,804.45 is: 40,206.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,690.42 : 158,535.29 = 26,804.45 : x
  2. Step 2: Convert to fraction form
    105,690.42/158,535.29 = 26,804.45/x
  3. Step 3: Cross multiply
    105,690.42x = 158,535.29 × 26,804.45
  4. Step 4: Simplify right side
    105,690.42x = 4,249,451,717.39
  5. Step 5: Solve for x
    x = 4,249,451,717.39/105,690.42
  6. Step 6: Final answer
    x = 40,206.59

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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.