Home / 122,193.93-183,235.80-43,290.21

Finding the Fourth Proportional to 122,193.93, 183,235.80 and 43,290.21

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Solution

The fourth proportional to 122,193.93, 183,235.80 and 43,290.21 is: 64,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,193.93 : 183,235.80 = 43,290.21 : x
  2. Step 2: Convert to fraction form
    122,193.93/183,235.80 = 43,290.21/x
  3. Step 3: Cross multiply
    122,193.93x = 183,235.80 × 43,290.21
  4. Step 4: Simplify right side
    122,193.93x = 7,932,316,261.52
  5. Step 5: Solve for x
    x = 7,932,316,261.52/122,193.93
  6. Step 6: Final answer
    x = 64,915.80

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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.