Home / 219,587.64-303,015.06-121,466.73

Finding the Fourth Proportional to 219,587.64, 303,015.06 and 121,466.73

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Solution

The fourth proportional to 219,587.64, 303,015.06 and 121,466.73 is: 167,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,587.64 : 303,015.06 = 121,466.73 : x
  2. Step 2: Convert to fraction form
    219,587.64/303,015.06 = 121,466.73/x
  3. Step 3: Cross multiply
    219,587.64x = 303,015.06 × 121,466.73
  4. Step 4: Simplify right side
    219,587.64x = 36,806,248,478.95
  5. Step 5: Solve for x
    x = 36,806,248,478.95/219,587.64
  6. Step 6: Final answer
    x = 167,615.30

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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.