Home / 176,678.90-264,629.55-156,979.70

Finding the Fourth Proportional to 176,678.90, 264,629.55 and 156,979.70

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Solution

The fourth proportional to 176,678.90, 264,629.55 and 156,979.70 is: 235,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,678.90 : 264,629.55 = 156,979.70 : x
  2. Step 2: Convert to fraction form
    176,678.90/264,629.55 = 156,979.70/x
  3. Step 3: Cross multiply
    176,678.90x = 264,629.55 × 156,979.70
  4. Step 4: Simplify right side
    176,678.90x = 41,541,467,370.14
  5. Step 5: Solve for x
    x = 41,541,467,370.14/176,678.90
  6. Step 6: Final answer
    x = 235,124.10

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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.