Home / 122,541.04-183,863.81-69,240.34

Finding the Fourth Proportional to 122,541.04, 183,863.81 and 69,240.34

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Solution

The fourth proportional to 122,541.04, 183,863.81 and 69,240.34 is: 103,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,541.04 : 183,863.81 = 69,240.34 : x
  2. Step 2: Convert to fraction form
    122,541.04/183,863.81 = 69,240.34/x
  3. Step 3: Cross multiply
    122,541.04x = 183,863.81 × 69,240.34
  4. Step 4: Simplify right side
    122,541.04x = 12,730,792,718.10
  5. Step 5: Solve for x
    x = 12,730,792,718.10/122,541.04
  6. Step 6: Final answer
    x = 103,890.03

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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.