Home / 316,595.29-436,902.20-171,402.60

Finding the Fourth Proportional to 316,595.29, 436,902.20 and 171,402.60

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Solution

The fourth proportional to 316,595.29, 436,902.20 and 171,402.60 is: 236,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,595.29 : 436,902.20 = 171,402.60 : x
  2. Step 2: Convert to fraction form
    316,595.29/436,902.20 = 171,402.60/x
  3. Step 3: Cross multiply
    316,595.29x = 436,902.20 × 171,402.60
  4. Step 4: Simplify right side
    316,595.29x = 74,886,175,413.99
  5. Step 5: Solve for x
    x = 74,886,175,413.99/316,595.29
  6. Step 6: Final answer
    x = 236,535.97

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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.