Home / 122,337.85-183,506.78-103,675.45

Finding the Fourth Proportional to 122,337.85, 183,506.78 and 103,675.45

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Solution

The fourth proportional to 122,337.85, 183,506.78 and 103,675.45 is: 155,513.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,337.85 : 183,506.78 = 103,675.45 : x
  2. Step 2: Convert to fraction form
    122,337.85/183,506.78 = 103,675.45/x
  3. Step 3: Cross multiply
    122,337.85x = 183,506.78 × 103,675.45
  4. Step 4: Simplify right side
    122,337.85x = 19,025,147,476.17
  5. Step 5: Solve for x
    x = 19,025,147,476.17/122,337.85
  6. Step 6: Final answer
    x = 155,513.18

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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.