Home / 197,645.63-272,493.60-125,999.51

Finding the Fourth Proportional to 197,645.63, 272,493.60 and 125,999.51

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Solution

The fourth proportional to 197,645.63, 272,493.60 and 125,999.51 is: 173,715.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,645.63 : 272,493.60 = 125,999.51 : x
  2. Step 2: Convert to fraction form
    197,645.63/272,493.60 = 125,999.51/x
  3. Step 3: Cross multiply
    197,645.63x = 272,493.60 × 125,999.51
  4. Step 4: Simplify right side
    197,645.63x = 34,334,060,078.14
  5. Step 5: Solve for x
    x = 34,334,060,078.14/197,645.63
  6. Step 6: Final answer
    x = 173,715.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.