Home / 219,587.16-303,014.35-121,466.25

Finding the Fourth Proportional to 219,587.16, 303,014.35 and 121,466.25

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Solution

The fourth proportional to 219,587.16, 303,014.35 and 121,466.25 is: 167,614.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,587.16 : 303,014.35 = 121,466.25 : x
  2. Step 2: Convert to fraction form
    219,587.16/303,014.35 = 121,466.25/x
  3. Step 3: Cross multiply
    219,587.16x = 303,014.35 × 121,466.25
  4. Step 4: Simplify right side
    219,587.16x = 36,806,016,790.69
  5. Step 5: Solve for x
    x = 36,806,016,790.69/219,587.16
  6. Step 6: Final answer
    x = 167,614.61

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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.