Home / 316,126.02-436,260.27-172,895.27

Finding the Fourth Proportional to 316,126.02, 436,260.27 and 172,895.27

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Solution

The fourth proportional to 316,126.02, 436,260.27 and 172,895.27 is: 238,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,126.02 : 436,260.27 = 172,895.27 : x
  2. Step 2: Convert to fraction form
    316,126.02/436,260.27 = 172,895.27/x
  3. Step 3: Cross multiply
    316,126.02x = 436,260.27 × 172,895.27
  4. Step 4: Simplify right side
    316,126.02x = 75,427,337,171.92
  5. Step 5: Solve for x
    x = 75,427,337,171.92/316,126.02
  6. Step 6: Final answer
    x = 238,598.95

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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.