Home / 270,405.81-405,618.03-92,911.32

Finding the Fourth Proportional to 270,405.81, 405,618.03 and 92,911.32

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Solution

The fourth proportional to 270,405.81, 405,618.03 and 92,911.32 is: 139,370.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,405.81 : 405,618.03 = 92,911.32 : x
  2. Step 2: Convert to fraction form
    270,405.81/405,618.03 = 92,911.32/x
  3. Step 3: Cross multiply
    270,405.81x = 405,618.03 × 92,911.32
  4. Step 4: Simplify right side
    270,405.81x = 37,686,506,583.10
  5. Step 5: Solve for x
    x = 37,686,506,583.10/270,405.81
  6. Step 6: Final answer
    x = 139,370.18

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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.