Home / 156,941.66-235,413.18-38,612.67

Finding the Fourth Proportional to 156,941.66, 235,413.18 and 38,612.67

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Solution

The fourth proportional to 156,941.66, 235,413.18 and 38,612.67 is: 57,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,941.66 : 235,413.18 = 38,612.67 : x
  2. Step 2: Convert to fraction form
    156,941.66/235,413.18 = 38,612.67/x
  3. Step 3: Cross multiply
    156,941.66x = 235,413.18 × 38,612.67
  4. Step 4: Simplify right side
    156,941.66x = 9,089,930,550.19
  5. Step 5: Solve for x
    x = 9,089,930,550.19/156,941.66
  6. Step 6: Final answer
    x = 57,919.17

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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.