Home / 219,856.20-302,986.90-176,199.17

Finding the Fourth Proportional to 219,856.20, 302,986.90 and 176,199.17

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Solution

The fourth proportional to 219,856.20, 302,986.90 and 176,199.17 is: 242,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,856.20 : 302,986.90 = 176,199.17 : x
  2. Step 2: Convert to fraction form
    219,856.20/302,986.90 = 176,199.17/x
  3. Step 3: Cross multiply
    219,856.20x = 302,986.90 × 176,199.17
  4. Step 4: Simplify right side
    219,856.20x = 53,386,039,006.19
  5. Step 5: Solve for x
    x = 53,386,039,006.19/219,856.20
  6. Step 6: Final answer
    x = 242,822.54

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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.