Home / 118,759.02-178,122.06-30,007.08

Finding the Fourth Proportional to 118,759.02, 178,122.06 and 30,007.08

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Solution

The fourth proportional to 118,759.02, 178,122.06 and 30,007.08 is: 45,006.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,759.02 : 178,122.06 = 30,007.08 : x
  2. Step 2: Convert to fraction form
    118,759.02/178,122.06 = 30,007.08/x
  3. Step 3: Cross multiply
    118,759.02x = 178,122.06 × 30,007.08
  4. Step 4: Simplify right side
    118,759.02x = 5,344,922,904.18
  5. Step 5: Solve for x
    x = 5,344,922,904.18/118,759.02
  6. Step 6: Final answer
    x = 45,006.46

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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.