Home / 124,238.18-171,448.98-67,653.20

Finding the Fourth Proportional to 124,238.18, 171,448.98 and 67,653.20

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Solution

The fourth proportional to 124,238.18, 171,448.98 and 67,653.20 is: 93,361.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,238.18 : 171,448.98 = 67,653.20 : x
  2. Step 2: Convert to fraction form
    124,238.18/171,448.98 = 67,653.20/x
  3. Step 3: Cross multiply
    124,238.18x = 171,448.98 × 67,653.20
  4. Step 4: Simplify right side
    124,238.18x = 11,599,072,133.74
  5. Step 5: Solve for x
    x = 11,599,072,133.74/124,238.18
  6. Step 6: Final answer
    x = 93,361.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.