Home / 93,313.80-140,316.30-78,107.40

Finding the Fourth Proportional to 93,313.80, 140,316.30 and 78,107.40

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Solution

The fourth proportional to 93,313.80, 140,316.30 and 78,107.40 is: 117,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,313.80 : 140,316.30 = 78,107.40 : x
  2. Step 2: Convert to fraction form
    93,313.80/140,316.30 = 78,107.40/x
  3. Step 3: Cross multiply
    93,313.80x = 140,316.30 × 78,107.40
  4. Step 4: Simplify right side
    93,313.80x = 10,959,741,370.62
  5. Step 5: Solve for x
    x = 10,959,741,370.62/93,313.80
  6. Step 6: Final answer
    x = 117,450.38

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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.