Home / 118,860.81-178,349.27-52,292.63

Finding the Fourth Proportional to 118,860.81, 178,349.27 and 52,292.63

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Solution

The fourth proportional to 118,860.81, 178,349.27 and 52,292.63 is: 78,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,860.81 : 178,349.27 = 52,292.63 : x
  2. Step 2: Convert to fraction form
    118,860.81/178,349.27 = 52,292.63/x
  3. Step 3: Cross multiply
    118,860.81x = 178,349.27 × 52,292.63
  4. Step 4: Simplify right side
    118,860.81x = 9,326,351,233.67
  5. Step 5: Solve for x
    x = 9,326,351,233.67/118,860.81
  6. Step 6: Final answer
    x = 78,464.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.