Home / 122,487.39-183,558.78-97,416.16

Finding the Fourth Proportional to 122,487.39, 183,558.78 and 97,416.16

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Solution

The fourth proportional to 122,487.39, 183,558.78 and 97,416.16 is: 145,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,487.39 : 183,558.78 = 97,416.16 : x
  2. Step 2: Convert to fraction form
    122,487.39/183,558.78 = 97,416.16/x
  3. Step 3: Cross multiply
    122,487.39x = 183,558.78 × 97,416.16
  4. Step 4: Simplify right side
    122,487.39x = 17,881,591,481.88
  5. Step 5: Solve for x
    x = 17,881,591,481.88/122,487.39
  6. Step 6: Final answer
    x = 145,987.20

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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.