Home / 154,519.03-213,244.14-86,532.02

Finding the Fourth Proportional to 154,519.03, 213,244.14 and 86,532.02

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Solution

The fourth proportional to 154,519.03, 213,244.14 and 86,532.02 is: 119,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,519.03 : 213,244.14 = 86,532.02 : x
  2. Step 2: Convert to fraction form
    154,519.03/213,244.14 = 86,532.02/x
  3. Step 3: Cross multiply
    154,519.03x = 213,244.14 × 86,532.02
  4. Step 4: Simplify right side
    154,519.03x = 18,452,446,187.36
  5. Step 5: Solve for x
    x = 18,452,446,187.36/154,519.03
  6. Step 6: Final answer
    x = 119,418.60

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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.