Home / 176,378.23-243,308.66-111,733.43

Finding the Fourth Proportional to 176,378.23, 243,308.66 and 111,733.43

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Solution

The fourth proportional to 176,378.23, 243,308.66 and 111,733.43 is: 154,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,378.23 : 243,308.66 = 111,733.43 : x
  2. Step 2: Convert to fraction form
    176,378.23/243,308.66 = 111,733.43/x
  3. Step 3: Cross multiply
    176,378.23x = 243,308.66 × 111,733.43
  4. Step 4: Simplify right side
    176,378.23x = 27,185,709,983.79
  5. Step 5: Solve for x
    x = 27,185,709,983.79/176,378.23
  6. Step 6: Final answer
    x = 154,133.03

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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.