Home / 156,698.03-235,019.70-56,806.80

Finding the Fourth Proportional to 156,698.03, 235,019.70 and 56,806.80

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Solution

The fourth proportional to 156,698.03, 235,019.70 and 56,806.80 is: 85,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,698.03 : 235,019.70 = 56,806.80 : x
  2. Step 2: Convert to fraction form
    156,698.03/235,019.70 = 56,806.80/x
  3. Step 3: Cross multiply
    156,698.03x = 235,019.70 × 56,806.80
  4. Step 4: Simplify right side
    156,698.03x = 13,350,717,093.96
  5. Step 5: Solve for x
    x = 13,350,717,093.96/156,698.03
  6. Step 6: Final answer
    x = 85,200.29

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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.