Home / 122,447.64-183,600.06-47,480.16

Finding the Fourth Proportional to 122,447.64, 183,600.06 and 47,480.16

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Solution

The fourth proportional to 122,447.64, 183,600.06 and 47,480.16 is: 71,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,447.64 : 183,600.06 = 47,480.16 : x
  2. Step 2: Convert to fraction form
    122,447.64/183,600.06 = 47,480.16/x
  3. Step 3: Cross multiply
    122,447.64x = 183,600.06 × 47,480.16
  4. Step 4: Simplify right side
    122,447.64x = 8,717,360,224.81
  5. Step 5: Solve for x
    x = 8,717,360,224.81/122,447.64
  6. Step 6: Final answer
    x = 71,192.55

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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.