Home / 316,674.47-436,902.23-180,610.61

Finding the Fourth Proportional to 316,674.47, 436,902.23 and 180,610.61

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Solution

The fourth proportional to 316,674.47, 436,902.23 and 180,610.61 is: 249,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,674.47 : 436,902.23 = 180,610.61 : x
  2. Step 2: Convert to fraction form
    316,674.47/436,902.23 = 180,610.61/x
  3. Step 3: Cross multiply
    316,674.47x = 436,902.23 × 180,610.61
  4. Step 4: Simplify right side
    316,674.47x = 78,909,175,183.10
  5. Step 5: Solve for x
    x = 78,909,175,183.10/316,674.47
  6. Step 6: Final answer
    x = 249,180.73

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1.5x scale

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.