Home / 400,177.96-552,215.64-218,880.52

Finding the Fourth Proportional to 400,177.96, 552,215.64 and 218,880.52

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Solution

The fourth proportional to 400,177.96, 552,215.64 and 218,880.52 is: 302,038.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,177.96 : 552,215.64 = 218,880.52 : x
  2. Step 2: Convert to fraction form
    400,177.96/552,215.64 = 218,880.52/x
  3. Step 3: Cross multiply
    400,177.96x = 552,215.64 × 218,880.52
  4. Step 4: Simplify right side
    400,177.96x = 120,869,245,875.60
  5. Step 5: Solve for x
    x = 120,869,245,875.60/400,177.96
  6. Step 6: Final answer
    x = 302,038.74

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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.