Home / 316,373.20-436,595.02-173,133.30

Finding the Fourth Proportional to 316,373.20, 436,595.02 and 173,133.30

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Solution

The fourth proportional to 316,373.20, 436,595.02 and 173,133.30 is: 238,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,373.20 : 436,595.02 = 173,133.30 : x
  2. Step 2: Convert to fraction form
    316,373.20/436,595.02 = 173,133.30/x
  3. Step 3: Cross multiply
    316,373.20x = 436,595.02 × 173,133.30
  4. Step 4: Simplify right side
    316,373.20x = 75,589,136,576.17
  5. Step 5: Solve for x
    x = 75,589,136,576.17/316,373.20
  6. Step 6: Final answer
    x = 238,923.96

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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.