Home / 156,722.80-234,923.34-61,914.60

Finding the Fourth Proportional to 156,722.80, 234,923.34 and 61,914.60

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Solution

The fourth proportional to 156,722.80, 234,923.34 and 61,914.60 is: 92,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,722.80 : 234,923.34 = 61,914.60 : x
  2. Step 2: Convert to fraction form
    156,722.80/234,923.34 = 61,914.60/x
  3. Step 3: Cross multiply
    156,722.80x = 234,923.34 × 61,914.60
  4. Step 4: Simplify right side
    156,722.80x = 14,545,184,626.76
  5. Step 5: Solve for x
    x = 14,545,184,626.76/156,722.80
  6. Step 6: Final answer
    x = 92,808.35

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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.