Home / 122,192.10-183,288.15-43,314.30

Finding the Fourth Proportional to 122,192.10, 183,288.15 and 43,314.30

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Solution

The fourth proportional to 122,192.10, 183,288.15 and 43,314.30 is: 64,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,192.10 : 183,288.15 = 43,314.30 : x
  2. Step 2: Convert to fraction form
    122,192.10/183,288.15 = 43,314.30/x
  3. Step 3: Cross multiply
    122,192.10x = 183,288.15 × 43,314.30
  4. Step 4: Simplify right side
    122,192.10x = 7,938,997,915.55
  5. Step 5: Solve for x
    x = 7,938,997,915.55/122,192.10
  6. Step 6: Final answer
    x = 64,971.45

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Similar ratio
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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.