Home / 156,743.12-235,114.68-38,413.44

Finding the Fourth Proportional to 156,743.12, 235,114.68 and 38,413.44

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Solution

The fourth proportional to 156,743.12, 235,114.68 and 38,413.44 is: 57,620.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,743.12 : 235,114.68 = 38,413.44 : x
  2. Step 2: Convert to fraction form
    156,743.12/235,114.68 = 38,413.44/x
  3. Step 3: Cross multiply
    156,743.12x = 235,114.68 × 38,413.44
  4. Step 4: Simplify right side
    156,743.12x = 9,031,563,653.30
  5. Step 5: Solve for x
    x = 9,031,563,653.30/156,743.12
  6. Step 6: Final answer
    x = 57,620.16

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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.