Home / 124,396.84-186,594.78-103,576.36

Finding the Fourth Proportional to 124,396.84, 186,594.78 and 103,576.36

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Solution

The fourth proportional to 124,396.84, 186,594.78 and 103,576.36 is: 155,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,396.84 : 186,594.78 = 103,576.36 : x
  2. Step 2: Convert to fraction form
    124,396.84/186,594.78 = 103,576.36/x
  3. Step 3: Cross multiply
    124,396.84x = 186,594.78 × 103,576.36
  4. Step 4: Simplify right side
    124,396.84x = 19,326,808,107.40
  5. Step 5: Solve for x
    x = 19,326,808,107.40/124,396.84
  6. Step 6: Final answer
    x = 155,364.14

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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.