Home / 122,130.96-183,242.58-47,255.60

Finding the Fourth Proportional to 122,130.96, 183,242.58 and 47,255.60

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Solution

The fourth proportional to 122,130.96, 183,242.58 and 47,255.60 is: 70,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,130.96 : 183,242.58 = 47,255.60 : x
  2. Step 2: Convert to fraction form
    122,130.96/183,242.58 = 47,255.60/x
  3. Step 3: Cross multiply
    122,130.96x = 183,242.58 × 47,255.60
  4. Step 4: Simplify right side
    122,130.96x = 8,659,238,477.25
  5. Step 5: Solve for x
    x = 8,659,238,477.25/122,130.96
  6. Step 6: Final answer
    x = 70,901.25

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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.