Home / 107,016.66-160,509.60-74,898.20

Finding the Fourth Proportional to 107,016.66, 160,509.60 and 74,898.20

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Solution

The fourth proportional to 107,016.66, 160,509.60 and 74,898.20 is: 112,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,016.66 : 160,509.60 = 74,898.20 : x
  2. Step 2: Convert to fraction form
    107,016.66/160,509.60 = 74,898.20/x
  3. Step 3: Cross multiply
    107,016.66x = 160,509.60 × 74,898.20
  4. Step 4: Simplify right side
    107,016.66x = 12,021,880,523.99
  5. Step 5: Solve for x
    x = 12,021,880,523.99/107,016.66
  6. Step 6: Final answer
    x = 112,336.53

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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.