Home / 236,075.68-325,780.20-128,646.60

Finding the Fourth Proportional to 236,075.68, 325,780.20 and 128,646.60

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Solution

The fourth proportional to 236,075.68, 325,780.20 and 128,646.60 is: 177,530.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,075.68 : 325,780.20 = 128,646.60 : x
  2. Step 2: Convert to fraction form
    236,075.68/325,780.20 = 128,646.60/x
  3. Step 3: Cross multiply
    236,075.68x = 325,780.20 × 128,646.60
  4. Step 4: Simplify right side
    236,075.68x = 41,910,515,077.32
  5. Step 5: Solve for x
    x = 41,910,515,077.32/236,075.68
  6. Step 6: Final answer
    x = 177,530.00

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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.