Home / 156,942.60-235,413.90-97,018.80

Finding the Fourth Proportional to 156,942.60, 235,413.90 and 97,018.80

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Solution

The fourth proportional to 156,942.60, 235,413.90 and 97,018.80 is: 145,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,942.60 : 235,413.90 = 97,018.80 : x
  2. Step 2: Convert to fraction form
    156,942.60/235,413.90 = 97,018.80/x
  3. Step 3: Cross multiply
    156,942.60x = 235,413.90 × 97,018.80
  4. Step 4: Simplify right side
    156,942.60x = 22,839,574,081.32
  5. Step 5: Solve for x
    x = 22,839,574,081.32/156,942.60
  6. Step 6: Final answer
    x = 145,528.20

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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.