Home / 197,116.15-272,030.35-120,611.24

Finding the Fourth Proportional to 197,116.15, 272,030.35 and 120,611.24

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Solution

The fourth proportional to 197,116.15, 272,030.35 and 120,611.24 is: 166,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,116.15 : 272,030.35 = 120,611.24 : x
  2. Step 2: Convert to fraction form
    197,116.15/272,030.35 = 120,611.24/x
  3. Step 3: Cross multiply
    197,116.15x = 272,030.35 × 120,611.24
  4. Step 4: Simplify right side
    197,116.15x = 32,809,918,945.88
  5. Step 5: Solve for x
    x = 32,809,918,945.88/197,116.15
  6. Step 6: Final answer
    x = 166,449.67

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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.