Home / 93,019.20-139,528.80-92,144.40

Finding the Fourth Proportional to 93,019.20, 139,528.80 and 92,144.40

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Solution

The fourth proportional to 93,019.20, 139,528.80 and 92,144.40 is: 138,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,019.20 : 139,528.80 = 92,144.40 : x
  2. Step 2: Convert to fraction form
    93,019.20/139,528.80 = 92,144.40/x
  3. Step 3: Cross multiply
    93,019.20x = 139,528.80 × 92,144.40
  4. Step 4: Simplify right side
    93,019.20x = 12,856,797,558.72
  5. Step 5: Solve for x
    x = 12,856,797,558.72/93,019.20
  6. Step 6: Final answer
    x = 138,216.60

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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.