Home / 154,441.86-213,536.42-135,266.64

Finding the Fourth Proportional to 154,441.86, 213,536.42 and 135,266.64

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Solution

The fourth proportional to 154,441.86, 213,536.42 and 135,266.64 is: 187,024.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,441.86 : 213,536.42 = 135,266.64 : x
  2. Step 2: Convert to fraction form
    154,441.86/213,536.42 = 135,266.64/x
  3. Step 3: Cross multiply
    154,441.86x = 213,536.42 × 135,266.64
  4. Step 4: Simplify right side
    154,441.86x = 28,884,354,051.03
  5. Step 5: Solve for x
    x = 28,884,354,051.03/154,441.86
  6. Step 6: Final answer
    x = 187,024.13

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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.