Home / 156,923.95-235,435.11-51,816.73

Finding the Fourth Proportional to 156,923.95, 235,435.11 and 51,816.73

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Solution

The fourth proportional to 156,923.95, 235,435.11 and 51,816.73 is: 77,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,923.95 : 235,435.11 = 51,816.73 : x
  2. Step 2: Convert to fraction form
    156,923.95/235,435.11 = 51,816.73/x
  3. Step 3: Cross multiply
    156,923.95x = 235,435.11 × 51,816.73
  4. Step 4: Simplify right side
    156,923.95x = 12,199,477,527.39
  5. Step 5: Solve for x
    x = 12,199,477,527.39/156,923.95
  6. Step 6: Final answer
    x = 77,741.34

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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.