Home / 176,582.42-264,867.78-76,742.72

Finding the Fourth Proportional to 176,582.42, 264,867.78 and 76,742.72

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Solution

The fourth proportional to 176,582.42, 264,867.78 and 76,742.72 is: 115,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,582.42 : 264,867.78 = 76,742.72 : x
  2. Step 2: Convert to fraction form
    176,582.42/264,867.78 = 76,742.72/x
  3. Step 3: Cross multiply
    176,582.42x = 264,867.78 × 76,742.72
  4. Step 4: Simplify right side
    176,582.42x = 20,326,673,877.56
  5. Step 5: Solve for x
    x = 20,326,673,877.56/176,582.42
  6. Step 6: Final answer
    x = 115,111.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.