Home / 316,366.20-436,585.35-173,126.29

Finding the Fourth Proportional to 316,366.20, 436,585.35 and 173,126.29

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Solution

The fourth proportional to 316,366.20, 436,585.35 and 173,126.29 is: 238,914.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,366.20 : 436,585.35 = 173,126.29 : x
  2. Step 2: Convert to fraction form
    316,366.20/436,585.35 = 173,126.29/x
  3. Step 3: Cross multiply
    316,366.20x = 436,585.35 × 173,126.29
  4. Step 4: Simplify right side
    316,366.20x = 75,584,401,913.85
  5. Step 5: Solve for x
    x = 75,584,401,913.85/316,366.20
  6. Step 6: Final answer
    x = 238,914.28

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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.