Home / 316,071.86-474,108.25-129,083.36

Finding the Fourth Proportional to 316,071.86, 474,108.25 and 129,083.36

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Solution

The fourth proportional to 316,071.86, 474,108.25 and 129,083.36 is: 193,625.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,071.86 : 474,108.25 = 129,083.36 : x
  2. Step 2: Convert to fraction form
    316,071.86/474,108.25 = 129,083.36/x
  3. Step 3: Cross multiply
    316,071.86x = 474,108.25 × 129,083.36
  4. Step 4: Simplify right side
    316,071.86x = 61,199,485,268.30
  5. Step 5: Solve for x
    x = 61,199,485,268.30/316,071.86
  6. Step 6: Final answer
    x = 193,625.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.