Home / 316,360.16-436,576.98-173,120.22

Finding the Fourth Proportional to 316,360.16, 436,576.98 and 173,120.22

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Solution

The fourth proportional to 316,360.16, 436,576.98 and 173,120.22 is: 238,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,360.16 : 436,576.98 = 173,120.22 : x
  2. Step 2: Convert to fraction form
    316,360.16/436,576.98 = 173,120.22/x
  3. Step 3: Cross multiply
    316,360.16x = 436,576.98 × 173,120.22
  4. Step 4: Simplify right side
    316,360.16x = 75,580,302,824.54
  5. Step 5: Solve for x
    x = 75,580,302,824.54/316,360.16
  6. Step 6: Final answer
    x = 238,905.88

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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.