Home / 118,927.58-178,041.44-79,386.62

Finding the Fourth Proportional to 118,927.58, 178,041.44 and 79,386.62

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Solution

The fourth proportional to 118,927.58, 178,041.44 and 79,386.62 is: 118,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,927.58 : 178,041.44 = 79,386.62 : x
  2. Step 2: Convert to fraction form
    118,927.58/178,041.44 = 79,386.62/x
  3. Step 3: Cross multiply
    118,927.58x = 178,041.44 × 79,386.62
  4. Step 4: Simplify right side
    118,927.58x = 14,134,106,854.39
  5. Step 5: Solve for x
    x = 14,134,106,854.39/118,927.58
  6. Step 6: Final answer
    x = 118,846.34

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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.