Home / 122,324.85-183,487.28-103,662.45

Finding the Fourth Proportional to 122,324.85, 183,487.28 and 103,662.45

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Solution

The fourth proportional to 122,324.85, 183,487.28 and 103,662.45 is: 155,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,324.85 : 183,487.28 = 103,662.45 : x
  2. Step 2: Convert to fraction form
    122,324.85/183,487.28 = 103,662.45/x
  3. Step 3: Cross multiply
    122,324.85x = 183,487.28 × 103,662.45
  4. Step 4: Simplify right side
    122,324.85x = 19,020,740,988.64
  5. Step 5: Solve for x
    x = 19,020,740,988.64/122,324.85
  6. Step 6: Final answer
    x = 155,493.68

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1.5x scale

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.