Home / 219,051.54-302,289.62-127,163.46

Finding the Fourth Proportional to 219,051.54, 302,289.62 and 127,163.46

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Solution

The fourth proportional to 219,051.54, 302,289.62 and 127,163.46 is: 175,484.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,051.54 : 302,289.62 = 127,163.46 : x
  2. Step 2: Convert to fraction form
    219,051.54/302,289.62 = 127,163.46/x
  3. Step 3: Cross multiply
    219,051.54x = 302,289.62 × 127,163.46
  4. Step 4: Simplify right side
    219,051.54x = 38,440,192,686.52
  5. Step 5: Solve for x
    x = 38,440,192,686.52/219,051.54
  6. Step 6: Final answer
    x = 175,484.69

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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.