Home / 118,653.66-178,017.75-52,149.69

Finding the Fourth Proportional to 118,653.66, 178,017.75 and 52,149.69

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Solution

The fourth proportional to 118,653.66, 178,017.75 and 52,149.69 is: 78,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,653.66 : 178,017.75 = 52,149.69 : x
  2. Step 2: Convert to fraction form
    118,653.66/178,017.75 = 52,149.69/x
  3. Step 3: Cross multiply
    118,653.66x = 178,017.75 × 52,149.69
  4. Step 4: Simplify right side
    118,653.66x = 9,283,570,477.00
  5. Step 5: Solve for x
    x = 9,283,570,477.00/118,653.66
  6. Step 6: Final answer
    x = 78,240.91

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1.5x scale

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.