Home / 208,040.71-312,075.04-73,088.37

Finding the Fourth Proportional to 208,040.71, 312,075.04 and 73,088.37

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Solution

The fourth proportional to 208,040.71, 312,075.04 and 73,088.37 is: 109,637.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,040.71 : 312,075.04 = 73,088.37 : x
  2. Step 2: Convert to fraction form
    208,040.71/312,075.04 = 73,088.37/x
  3. Step 3: Cross multiply
    208,040.71x = 312,075.04 × 73,088.37
  4. Step 4: Simplify right side
    208,040.71x = 22,809,055,808.56
  5. Step 5: Solve for x
    x = 22,809,055,808.56/208,040.71
  6. Step 6: Final answer
    x = 109,637.47

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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.