Home / 199,150.76-274,702.46-118,518.09

Finding the Fourth Proportional to 199,150.76, 274,702.46 and 118,518.09

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Solution

The fourth proportional to 199,150.76, 274,702.46 and 118,518.09 is: 163,480.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,150.76 : 274,702.46 = 118,518.09 : x
  2. Step 2: Convert to fraction form
    199,150.76/274,702.46 = 118,518.09/x
  3. Step 3: Cross multiply
    199,150.76x = 274,702.46 × 118,518.09
  4. Step 4: Simplify right side
    199,150.76x = 32,557,210,284.91
  5. Step 5: Solve for x
    x = 32,557,210,284.91/199,150.76
  6. Step 6: Final answer
    x = 163,480.23

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1.5x scale

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.