Home / 156,909.67-235,290.39-57,000.22

Finding the Fourth Proportional to 156,909.67, 235,290.39 and 57,000.22

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Solution

The fourth proportional to 156,909.67, 235,290.39 and 57,000.22 is: 85,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,909.67 : 235,290.39 = 57,000.22 : x
  2. Step 2: Convert to fraction form
    156,909.67/235,290.39 = 57,000.22/x
  3. Step 3: Cross multiply
    156,909.67x = 235,290.39 × 57,000.22
  4. Step 4: Simplify right side
    156,909.67x = 13,411,603,993.89
  5. Step 5: Solve for x
    x = 13,411,603,993.89/156,909.67
  6. Step 6: Final answer
    x = 85,473.41

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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.