Home / 219,582.80-302,796.36-187,856.72

Finding the Fourth Proportional to 219,582.80, 302,796.36 and 187,856.72

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Solution

The fourth proportional to 219,582.80, 302,796.36 and 187,856.72 is: 259,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,582.80 : 302,796.36 = 187,856.72 : x
  2. Step 2: Convert to fraction form
    219,582.80/302,796.36 = 187,856.72/x
  3. Step 3: Cross multiply
    219,582.80x = 302,796.36 × 187,856.72
  4. Step 4: Simplify right side
    219,582.80x = 56,882,331,017.54
  5. Step 5: Solve for x
    x = 56,882,331,017.54/219,582.80
  6. Step 6: Final answer
    x = 259,047.30

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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.