Home / 302,313.57-453,455.43-112,759.21

Finding the Fourth Proportional to 302,313.57, 453,455.43 and 112,759.21

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Solution

The fourth proportional to 302,313.57, 453,455.43 and 112,759.21 is: 169,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,313.57 : 453,455.43 = 112,759.21 : x
  2. Step 2: Convert to fraction form
    302,313.57/453,455.43 = 112,759.21/x
  3. Step 3: Cross multiply
    302,313.57x = 453,455.43 × 112,759.21
  4. Step 4: Simplify right side
    302,313.57x = 51,131,276,057.01
  5. Step 5: Solve for x
    x = 51,131,276,057.01/302,313.57
  6. Step 6: Final answer
    x = 169,133.25

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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.