Home / 144,283.35-199,238.69-89,928.29

Finding the Fourth Proportional to 144,283.35, 199,238.69 and 89,928.29

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Solution

The fourth proportional to 144,283.35, 199,238.69 and 89,928.29 is: 124,180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,283.35 : 199,238.69 = 89,928.29 : x
  2. Step 2: Convert to fraction form
    144,283.35/199,238.69 = 89,928.29/x
  3. Step 3: Cross multiply
    144,283.35x = 199,238.69 × 89,928.29
  4. Step 4: Simplify right side
    144,283.35x = 17,917,195,416.46
  5. Step 5: Solve for x
    x = 17,917,195,416.46/144,283.35
  6. Step 6: Final answer
    x = 124,180.61

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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.