Home / 255,650.14-382,789.36-143,009.58

Finding the Fourth Proportional to 255,650.14, 382,789.36 and 143,009.58

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Solution

The fourth proportional to 255,650.14, 382,789.36 and 143,009.58 is: 214,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,650.14 : 382,789.36 = 143,009.58 : x
  2. Step 2: Convert to fraction form
    255,650.14/382,789.36 = 143,009.58/x
  3. Step 3: Cross multiply
    255,650.14x = 382,789.36 × 143,009.58
  4. Step 4: Simplify right side
    255,650.14x = 54,742,545,602.07
  5. Step 5: Solve for x
    x = 54,742,545,602.07/255,650.14
  6. Step 6: Final answer
    x = 214,130.71

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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.