Home / 176,419.97-264,590.05-81,598.12

Finding the Fourth Proportional to 176,419.97, 264,590.05 and 81,598.12

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Solution

The fourth proportional to 176,419.97, 264,590.05 and 81,598.12 is: 122,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,419.97 : 264,590.05 = 81,598.12 : x
  2. Step 2: Convert to fraction form
    176,419.97/264,590.05 = 81,598.12/x
  3. Step 3: Cross multiply
    176,419.97x = 264,590.05 × 81,598.12
  4. Step 4: Simplify right side
    176,419.97x = 21,590,050,650.71
  5. Step 5: Solve for x
    x = 21,590,050,650.71/176,419.97
  6. Step 6: Final answer
    x = 122,378.72

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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.