Home / 131,832.90-197,607.60-56,988.63

Finding the Fourth Proportional to 131,832.90, 197,607.60 and 56,988.63

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Solution

The fourth proportional to 131,832.90, 197,607.60 and 56,988.63 is: 85,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,832.90 : 197,607.60 = 56,988.63 : x
  2. Step 2: Convert to fraction form
    131,832.90/197,607.60 = 56,988.63/x
  3. Step 3: Cross multiply
    131,832.90x = 197,607.60 × 56,988.63
  4. Step 4: Simplify right side
    131,832.90x = 11,261,386,401.59
  5. Step 5: Solve for x
    x = 11,261,386,401.59/131,832.90
  6. Step 6: Final answer
    x = 85,421.67

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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.