Home / 316,622.17-436,938.76-173,382.22

Finding the Fourth Proportional to 316,622.17, 436,938.76 and 173,382.22

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Solution

The fourth proportional to 316,622.17, 436,938.76 and 173,382.22 is: 239,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,622.17 : 436,938.76 = 173,382.22 : x
  2. Step 2: Convert to fraction form
    316,622.17/436,938.76 = 173,382.22/x
  3. Step 3: Cross multiply
    316,622.17x = 436,938.76 × 173,382.22
  4. Step 4: Simplify right side
    316,622.17x = 75,757,412,000.47
  5. Step 5: Solve for x
    x = 75,757,412,000.47/316,622.17
  6. Step 6: Final answer
    x = 239,267.56

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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.