Home / 190,018.36-262,111.09-125,488.19

Finding the Fourth Proportional to 190,018.36, 262,111.09 and 125,488.19

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Solution

The fourth proportional to 190,018.36, 262,111.09 and 125,488.19 is: 173,098.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,018.36 : 262,111.09 = 125,488.19 : x
  2. Step 2: Convert to fraction form
    190,018.36/262,111.09 = 125,488.19/x
  3. Step 3: Cross multiply
    190,018.36x = 262,111.09 × 125,488.19
  4. Step 4: Simplify right side
    190,018.36x = 32,891,845,365.50
  5. Step 5: Solve for x
    x = 32,891,845,365.50/190,018.36
  6. Step 6: Final answer
    x = 173,098.25

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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.