Home / 362,438.07-543,583.18-137,719.63

Finding the Fourth Proportional to 362,438.07, 543,583.18 and 137,719.63

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Solution

The fourth proportional to 362,438.07, 543,583.18 and 137,719.63 is: 206,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,438.07 : 543,583.18 = 137,719.63 : x
  2. Step 2: Convert to fraction form
    362,438.07/543,583.18 = 137,719.63/x
  3. Step 3: Cross multiply
    362,438.07x = 543,583.18 × 137,719.63
  4. Step 4: Simplify right side
    362,438.07x = 74,862,074,423.82
  5. Step 5: Solve for x
    x = 74,862,074,423.82/362,438.07
  6. Step 6: Final answer
    x = 206,551.35

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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.