Home / 122,360.40-183,540.60-91,256.40

Finding the Fourth Proportional to 122,360.40, 183,540.60 and 91,256.40

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Solution

The fourth proportional to 122,360.40, 183,540.60 and 91,256.40 is: 136,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,360.40 : 183,540.60 = 91,256.40 : x
  2. Step 2: Convert to fraction form
    122,360.40/183,540.60 = 91,256.40/x
  3. Step 3: Cross multiply
    122,360.40x = 183,540.60 × 91,256.40
  4. Step 4: Simplify right side
    122,360.40x = 16,749,254,409.84
  5. Step 5: Solve for x
    x = 16,749,254,409.84/122,360.40
  6. Step 6: Final answer
    x = 136,884.60

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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.