Home / 316,360.02-436,576.87-173,120.10

Finding the Fourth Proportional to 316,360.02, 436,576.87 and 173,120.10

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Solution

The fourth proportional to 316,360.02, 436,576.87 and 173,120.10 is: 238,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,360.02 : 436,576.87 = 173,120.10 : x
  2. Step 2: Convert to fraction form
    316,360.02/436,576.87 = 173,120.10/x
  3. Step 3: Cross multiply
    316,360.02x = 436,576.87 × 173,120.10
  4. Step 4: Simplify right side
    316,360.02x = 75,580,231,392.09
  5. Step 5: Solve for x
    x = 75,580,231,392.09/316,360.02
  6. Step 6: Final answer
    x = 238,905.76

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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.