Home / 357,436.23-535,337.77-170,578.95

Finding the Fourth Proportional to 357,436.23, 535,337.77 and 170,578.95

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Solution

The fourth proportional to 357,436.23, 535,337.77 and 170,578.95 is: 255,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,436.23 : 535,337.77 = 170,578.95 : x
  2. Step 2: Convert to fraction form
    357,436.23/535,337.77 = 170,578.95/x
  3. Step 3: Cross multiply
    357,436.23x = 535,337.77 × 170,578.95
  4. Step 4: Simplify right side
    357,436.23x = 91,317,354,701.94
  5. Step 5: Solve for x
    x = 91,317,354,701.94/357,436.23
  6. Step 6: Final answer
    x = 255,478.73

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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.