Home / 190,894.33-286,010.75-115,857.25

Finding the Fourth Proportional to 190,894.33, 286,010.75 and 115,857.25

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Solution

The fourth proportional to 190,894.33, 286,010.75 and 115,857.25 is: 173,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,894.33 : 286,010.75 = 115,857.25 : x
  2. Step 2: Convert to fraction form
    190,894.33/286,010.75 = 115,857.25/x
  3. Step 3: Cross multiply
    190,894.33x = 286,010.75 × 115,857.25
  4. Step 4: Simplify right side
    190,894.33x = 33,136,418,424.63
  5. Step 5: Solve for x
    x = 33,136,418,424.63/190,894.33
  6. Step 6: Final answer
    x = 173,585.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.