Home / 219,064.56-302,318.27-123,571.23

Finding the Fourth Proportional to 219,064.56, 302,318.27 and 123,571.23

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Solution

The fourth proportional to 219,064.56, 302,318.27 and 123,571.23 is: 170,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,064.56 : 302,318.27 = 123,571.23 : x
  2. Step 2: Convert to fraction form
    219,064.56/302,318.27 = 123,571.23/x
  3. Step 3: Cross multiply
    219,064.56x = 302,318.27 × 123,571.23
  4. Step 4: Simplify right side
    219,064.56x = 37,357,840,475.37
  5. Step 5: Solve for x
    x = 37,357,840,475.37/219,064.56
  6. Step 6: Final answer
    x = 170,533.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.