Home / 133,157.27-183,756.09-72,727.93

Finding the Fourth Proportional to 133,157.27, 183,756.09 and 72,727.93

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Solution

The fourth proportional to 133,157.27, 183,756.09 and 72,727.93 is: 100,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,157.27 : 183,756.09 = 72,727.93 : x
  2. Step 2: Convert to fraction form
    133,157.27/183,756.09 = 72,727.93/x
  3. Step 3: Cross multiply
    133,157.27x = 183,756.09 × 72,727.93
  4. Step 4: Simplify right side
    133,157.27x = 13,364,199,519.39
  5. Step 5: Solve for x
    x = 13,364,199,519.39/133,157.27
  6. Step 6: Final answer
    x = 100,364.03

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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.