Home / 219,222.36-302,521.04-122,423.54

Finding the Fourth Proportional to 219,222.36, 302,521.04 and 122,423.54

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Solution

The fourth proportional to 219,222.36, 302,521.04 and 122,423.54 is: 168,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,222.36 : 302,521.04 = 122,423.54 : x
  2. Step 2: Convert to fraction form
    219,222.36/302,521.04 = 122,423.54/x
  3. Step 3: Cross multiply
    219,222.36x = 302,521.04 × 122,423.54
  4. Step 4: Simplify right side
    219,222.36x = 37,035,694,975.65
  5. Step 5: Solve for x
    x = 37,035,694,975.65/219,222.36
  6. Step 6: Final answer
    x = 168,941.23

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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.