Home / 199,077.60-274,630.32-127,400.16

Finding the Fourth Proportional to 199,077.60, 274,630.32 and 127,400.16

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Solution

The fourth proportional to 199,077.60, 274,630.32 and 127,400.16 is: 175,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,077.60 : 274,630.32 = 127,400.16 : x
  2. Step 2: Convert to fraction form
    199,077.60/274,630.32 = 127,400.16/x
  3. Step 3: Cross multiply
    199,077.60x = 274,630.32 × 127,400.16
  4. Step 4: Simplify right side
    199,077.60x = 34,987,946,708.85
  5. Step 5: Solve for x
    x = 34,987,946,708.85/199,077.60
  6. Step 6: Final answer
    x = 175,750.29

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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.