Home / 211,253.32-291,532.50-115,758.28

Finding the Fourth Proportional to 211,253.32, 291,532.50 and 115,758.28

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Solution

The fourth proportional to 211,253.32, 291,532.50 and 115,758.28 is: 159,748.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,253.32 : 291,532.50 = 115,758.28 : x
  2. Step 2: Convert to fraction form
    211,253.32/291,532.50 = 115,758.28/x
  3. Step 3: Cross multiply
    211,253.32x = 291,532.50 × 115,758.28
  4. Step 4: Simplify right side
    211,253.32x = 33,747,300,764.10
  5. Step 5: Solve for x
    x = 33,747,300,764.10/211,253.32
  6. Step 6: Final answer
    x = 159,748.03

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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.