Home / 251,077.39-346,485.61-136,355.23

Finding the Fourth Proportional to 251,077.39, 346,485.61 and 136,355.23

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Solution

The fourth proportional to 251,077.39, 346,485.61 and 136,355.23 is: 188,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,077.39 : 346,485.61 = 136,355.23 : x
  2. Step 2: Convert to fraction form
    251,077.39/346,485.61 = 136,355.23/x
  3. Step 3: Cross multiply
    251,077.39x = 346,485.61 × 136,355.23
  4. Step 4: Simplify right side
    251,077.39x = 47,245,125,043.24
  5. Step 5: Solve for x
    x = 47,245,125,043.24/251,077.39
  6. Step 6: Final answer
    x = 188,169.57

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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.