Home / 316,127.02-436,261.65-172,896.27

Finding the Fourth Proportional to 316,127.02, 436,261.65 and 172,896.27

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Solution

The fourth proportional to 316,127.02, 436,261.65 and 172,896.27 is: 238,600.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,127.02 : 436,261.65 = 172,896.27 : x
  2. Step 2: Convert to fraction form
    316,127.02/436,261.65 = 172,896.27/x
  3. Step 3: Cross multiply
    316,127.02x = 436,261.65 × 172,896.27
  4. Step 4: Simplify right side
    316,127.02x = 75,428,012,029.05
  5. Step 5: Solve for x
    x = 75,428,012,029.05/316,127.02
  6. Step 6: Final answer
    x = 238,600.33

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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.