Home / 346,942.20-520,413.30-110,308.80

Finding the Fourth Proportional to 346,942.20, 520,413.30 and 110,308.80

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Solution

The fourth proportional to 346,942.20, 520,413.30 and 110,308.80 is: 165,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,942.20 : 520,413.30 = 110,308.80 : x
  2. Step 2: Convert to fraction form
    346,942.20/520,413.30 = 110,308.80/x
  3. Step 3: Cross multiply
    346,942.20x = 520,413.30 × 110,308.80
  4. Step 4: Simplify right side
    346,942.20x = 57,406,166,627.04
  5. Step 5: Solve for x
    x = 57,406,166,627.04/346,942.20
  6. Step 6: Final answer
    x = 165,463.20

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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.