Home / 154,349.88-213,392.57-113,999.73

Finding the Fourth Proportional to 154,349.88, 213,392.57 and 113,999.73

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Solution

The fourth proportional to 154,349.88, 213,392.57 and 113,999.73 is: 157,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,349.88 : 213,392.57 = 113,999.73 : x
  2. Step 2: Convert to fraction form
    154,349.88/213,392.57 = 113,999.73/x
  3. Step 3: Cross multiply
    154,349.88x = 213,392.57 × 113,999.73
  4. Step 4: Simplify right side
    154,349.88x = 24,326,695,364.01
  5. Step 5: Solve for x
    x = 24,326,695,364.01/154,349.88
  6. Step 6: Final answer
    x = 157,607.48

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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.