Home / 202,087.40-278,906.63-168,037.34

Finding the Fourth Proportional to 202,087.40, 278,906.63 and 168,037.34

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Solution

The fourth proportional to 202,087.40, 278,906.63 and 168,037.34 is: 231,913.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,087.40 : 278,906.63 = 168,037.34 : x
  2. Step 2: Convert to fraction form
    202,087.40/278,906.63 = 168,037.34/x
  3. Step 3: Cross multiply
    202,087.40x = 278,906.63 × 168,037.34
  4. Step 4: Simplify right side
    202,087.40x = 46,866,725,978.84
  5. Step 5: Solve for x
    x = 46,866,725,978.84/202,087.40
  6. Step 6: Final answer
    x = 231,913.16

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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.