Home / 176,257.04-243,208.98-100,790.96

Finding the Fourth Proportional to 176,257.04, 243,208.98 and 100,790.96

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Solution

The fourth proportional to 176,257.04, 243,208.98 and 100,790.96 is: 139,076.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,257.04 : 243,208.98 = 100,790.96 : x
  2. Step 2: Convert to fraction form
    176,257.04/243,208.98 = 100,790.96/x
  3. Step 3: Cross multiply
    176,257.04x = 243,208.98 × 100,790.96
  4. Step 4: Simplify right side
    176,257.04x = 24,513,265,358.78
  5. Step 5: Solve for x
    x = 24,513,265,358.78/176,257.04
  6. Step 6: Final answer
    x = 139,076.81

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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.