Home / 122,156.80-183,261.36-37,915.20

Finding the Fourth Proportional to 122,156.80, 183,261.36 and 37,915.20

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Solution

The fourth proportional to 122,156.80, 183,261.36 and 37,915.20 is: 56,880.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,156.80 : 183,261.36 = 37,915.20 : x
  2. Step 2: Convert to fraction form
    122,156.80/183,261.36 = 37,915.20/x
  3. Step 3: Cross multiply
    122,156.80x = 183,261.36 × 37,915.20
  4. Step 4: Simplify right side
    122,156.80x = 6,948,391,116.67
  5. Step 5: Solve for x
    x = 6,948,391,116.67/122,156.80
  6. Step 6: Final answer
    x = 56,880.92

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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.