Home / 176,330.53-243,425.74-111,865.61

Finding the Fourth Proportional to 176,330.53, 243,425.74 and 111,865.61

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Solution

The fourth proportional to 176,330.53, 243,425.74 and 111,865.61 is: 154,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,330.53 : 243,425.74 = 111,865.61 : x
  2. Step 2: Convert to fraction form
    176,330.53/243,425.74 = 111,865.61/x
  3. Step 3: Cross multiply
    176,330.53x = 243,425.74 × 111,865.61
  4. Step 4: Simplify right side
    176,330.53x = 27,230,968,894.80
  5. Step 5: Solve for x
    x = 27,230,968,894.80/176,330.53
  6. Step 6: Final answer
    x = 154,431.39

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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.