Home / 174,830.20-262,439.70-108,345.40

Finding the Fourth Proportional to 174,830.20, 262,439.70 and 108,345.40

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Solution

The fourth proportional to 174,830.20, 262,439.70 and 108,345.40 is: 162,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,830.20 : 262,439.70 = 108,345.40 : x
  2. Step 2: Convert to fraction form
    174,830.20/262,439.70 = 108,345.40/x
  3. Step 3: Cross multiply
    174,830.20x = 262,439.70 × 108,345.40
  4. Step 4: Simplify right side
    174,830.20x = 28,434,134,272.38
  5. Step 5: Solve for x
    x = 28,434,134,272.38/174,830.20
  6. Step 6: Final answer
    x = 162,638.57

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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.