Home / 219,049.75-302,299.23-123,554.26

Finding the Fourth Proportional to 219,049.75, 302,299.23 and 123,554.26

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Solution

The fourth proportional to 219,049.75, 302,299.23 and 123,554.26 is: 170,510.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,049.75 : 302,299.23 = 123,554.26 : x
  2. Step 2: Convert to fraction form
    219,049.75/302,299.23 = 123,554.26/x
  3. Step 3: Cross multiply
    219,049.75x = 302,299.23 × 123,554.26
  4. Step 4: Simplify right side
    219,049.75x = 37,350,357,661.22
  5. Step 5: Solve for x
    x = 37,350,357,661.22/219,049.75
  6. Step 6: Final answer
    x = 170,510.84

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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.