Home / 216,856.20-325,187.10-98,466.60

Finding the Fourth Proportional to 216,856.20, 325,187.10 and 98,466.60

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Solution

The fourth proportional to 216,856.20, 325,187.10 and 98,466.60 is: 147,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,856.20 : 325,187.10 = 98,466.60 : x
  2. Step 2: Convert to fraction form
    216,856.20/325,187.10 = 98,466.60/x
  3. Step 3: Cross multiply
    216,856.20x = 325,187.10 × 98,466.60
  4. Step 4: Simplify right side
    216,856.20x = 32,020,068,100.86
  5. Step 5: Solve for x
    x = 32,020,068,100.86/216,856.20
  6. Step 6: Final answer
    x = 147,655.76

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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.