Home / 139,576.40-209,280.32-62,625.35

Finding the Fourth Proportional to 139,576.40, 209,280.32 and 62,625.35

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Solution

The fourth proportional to 139,576.40, 209,280.32 and 62,625.35 is: 93,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,576.40 : 209,280.32 = 62,625.35 : x
  2. Step 2: Convert to fraction form
    139,576.40/209,280.32 = 62,625.35/x
  3. Step 3: Cross multiply
    139,576.40x = 209,280.32 × 62,625.35
  4. Step 4: Simplify right side
    139,576.40x = 13,106,252,974.99
  5. Step 5: Solve for x
    x = 13,106,252,974.99/139,576.40
  6. Step 6: Final answer
    x = 93,900.21

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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.