Home / 175,643.64-263,507.38-57,315.20

Finding the Fourth Proportional to 175,643.64, 263,507.38 and 57,315.20

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Solution

The fourth proportional to 175,643.64, 263,507.38 and 57,315.20 is: 85,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,643.64 : 263,507.38 = 57,315.20 : x
  2. Step 2: Convert to fraction form
    175,643.64/263,507.38 = 57,315.20/x
  3. Step 3: Cross multiply
    175,643.64x = 263,507.38 × 57,315.20
  4. Step 4: Simplify right side
    175,643.64x = 15,102,976,725.35
  5. Step 5: Solve for x
    x = 15,102,976,725.35/175,643.64
  6. Step 6: Final answer
    x = 85,986.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.