Home / 154,495.58-213,225.49-111,613.80

Finding the Fourth Proportional to 154,495.58, 213,225.49 and 111,613.80

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Solution

The fourth proportional to 154,495.58, 213,225.49 and 111,613.80 is: 154,042.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,495.58 : 213,225.49 = 111,613.80 : x
  2. Step 2: Convert to fraction form
    154,495.58/213,225.49 = 111,613.80/x
  3. Step 3: Cross multiply
    154,495.58x = 213,225.49 × 111,613.80
  4. Step 4: Simplify right side
    154,495.58x = 23,798,906,621.57
  5. Step 5: Solve for x
    x = 23,798,906,621.57/154,495.58
  6. Step 6: Final answer
    x = 154,042.64

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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.