Home / 144,195.64-197,544.75-138,804.82

Finding the Fourth Proportional to 144,195.64, 197,544.75 and 138,804.82

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Solution

The fourth proportional to 144,195.64, 197,544.75 and 138,804.82 is: 190,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,195.64 : 197,544.75 = 138,804.82 : x
  2. Step 2: Convert to fraction form
    144,195.64/197,544.75 = 138,804.82/x
  3. Step 3: Cross multiply
    144,195.64x = 197,544.75 × 138,804.82
  4. Step 4: Simplify right side
    144,195.64x = 27,420,163,465.70
  5. Step 5: Solve for x
    x = 27,420,163,465.70/144,195.64
  6. Step 6: Final answer
    x = 190,159.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.