Home / 124,428.90-186,643.35-92,936.10

Finding the Fourth Proportional to 124,428.90, 186,643.35 and 92,936.10

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Solution

The fourth proportional to 124,428.90, 186,643.35 and 92,936.10 is: 139,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,428.90 : 186,643.35 = 92,936.10 : x
  2. Step 2: Convert to fraction form
    124,428.90/186,643.35 = 92,936.10/x
  3. Step 3: Cross multiply
    124,428.90x = 186,643.35 × 92,936.10
  4. Step 4: Simplify right side
    124,428.90x = 17,345,905,039.94
  5. Step 5: Solve for x
    x = 17,345,905,039.94/124,428.90
  6. Step 6: Final answer
    x = 139,404.15

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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.