Home / 223,568.28-308,524.01-128,075.36

Finding the Fourth Proportional to 223,568.28, 308,524.01 and 128,075.36

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Solution

The fourth proportional to 223,568.28, 308,524.01 and 128,075.36 is: 176,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,568.28 : 308,524.01 = 128,075.36 : x
  2. Step 2: Convert to fraction form
    223,568.28/308,524.01 = 128,075.36/x
  3. Step 3: Cross multiply
    223,568.28x = 308,524.01 × 128,075.36
  4. Step 4: Simplify right side
    223,568.28x = 39,514,321,466.40
  5. Step 5: Solve for x
    x = 39,514,321,466.40/223,568.28
  6. Step 6: Final answer
    x = 176,743.86

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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.