Home / 383,142.09-528,696.31-235,943.55

Finding the Fourth Proportional to 383,142.09, 528,696.31 and 235,943.55

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Solution

The fourth proportional to 383,142.09, 528,696.31 and 235,943.55 is: 325,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,142.09 : 528,696.31 = 235,943.55 : x
  2. Step 2: Convert to fraction form
    383,142.09/528,696.31 = 235,943.55/x
  3. Step 3: Cross multiply
    383,142.09x = 528,696.31 × 235,943.55
  4. Step 4: Simplify right side
    383,142.09x = 124,742,484,105.84
  5. Step 5: Solve for x
    x = 124,742,484,105.84/383,142.09
  6. Step 6: Final answer
    x = 325,577.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.