Home / 161,660.80-242,433.60-56,483.20

Finding the Fourth Proportional to 161,660.80, 242,433.60 and 56,483.20

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Solution

The fourth proportional to 161,660.80, 242,433.60 and 56,483.20 is: 84,704.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,660.80 : 242,433.60 = 56,483.20 : x
  2. Step 2: Convert to fraction form
    161,660.80/242,433.60 = 56,483.20/x
  3. Step 3: Cross multiply
    161,660.80x = 242,433.60 × 56,483.20
  4. Step 4: Simplify right side
    161,660.80x = 13,693,425,515.52
  5. Step 5: Solve for x
    x = 13,693,425,515.52/161,660.80
  6. Step 6: Final answer
    x = 84,704.67

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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.