Home / 154,666.93-213,430.26-90,992.44

Finding the Fourth Proportional to 154,666.93, 213,430.26 and 90,992.44

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Solution

The fourth proportional to 154,666.93, 213,430.26 and 90,992.44 is: 125,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,666.93 : 213,430.26 = 90,992.44 : x
  2. Step 2: Convert to fraction form
    154,666.93/213,430.26 = 90,992.44/x
  3. Step 3: Cross multiply
    154,666.93x = 213,430.26 × 90,992.44
  4. Step 4: Simplify right side
    154,666.93x = 19,420,540,127.23
  5. Step 5: Solve for x
    x = 19,420,540,127.23/154,666.93
  6. Step 6: Final answer
    x = 125,563.62

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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.