Home / 178,568.49-267,852.74-139,155.11

Finding the Fourth Proportional to 178,568.49, 267,852.74 and 139,155.11

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Solution

The fourth proportional to 178,568.49, 267,852.74 and 139,155.11 is: 208,732.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,568.49 : 267,852.74 = 139,155.11 : x
  2. Step 2: Convert to fraction form
    178,568.49/267,852.74 = 139,155.11/x
  3. Step 3: Cross multiply
    178,568.49x = 267,852.74 × 139,155.11
  4. Step 4: Simplify right side
    178,568.49x = 37,273,075,463.46
  5. Step 5: Solve for x
    x = 37,273,075,463.46/178,568.49
  6. Step 6: Final answer
    x = 208,732.66

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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.