Home / 236,075.14-325,779.24-128,645.92

Finding the Fourth Proportional to 236,075.14, 325,779.24 and 128,645.92

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Solution

The fourth proportional to 236,075.14, 325,779.24 and 128,645.92 is: 177,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,075.14 : 325,779.24 = 128,645.92 : x
  2. Step 2: Convert to fraction form
    236,075.14/325,779.24 = 128,645.92/x
  3. Step 3: Cross multiply
    236,075.14x = 325,779.24 × 128,645.92
  4. Step 4: Simplify right side
    236,075.14x = 41,910,170,046.70
  5. Step 5: Solve for x
    x = 41,910,170,046.70/236,075.14
  6. Step 6: Final answer
    x = 177,528.94

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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.