Home / 131,123.60-196,666.20-37,619.60

Finding the Fourth Proportional to 131,123.60, 196,666.20 and 37,619.60

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Solution

The fourth proportional to 131,123.60, 196,666.20 and 37,619.60 is: 56,423.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,123.60 : 196,666.20 = 37,619.60 : x
  2. Step 2: Convert to fraction form
    131,123.60/196,666.20 = 37,619.60/x
  3. Step 3: Cross multiply
    131,123.60x = 196,666.20 × 37,619.60
  4. Step 4: Simplify right side
    131,123.60x = 7,398,503,777.52
  5. Step 5: Solve for x
    x = 7,398,503,777.52/131,123.60
  6. Step 6: Final answer
    x = 56,423.89

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1.5x scale

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.