Home / 131,588.87-197,381.47-31,748.22

Finding the Fourth Proportional to 131,588.87, 197,381.47 and 31,748.22

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Solution

The fourth proportional to 131,588.87, 197,381.47 and 31,748.22 is: 47,621.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,588.87 : 197,381.47 = 31,748.22 : x
  2. Step 2: Convert to fraction form
    131,588.87/197,381.47 = 31,748.22/x
  3. Step 3: Cross multiply
    131,588.87x = 197,381.47 × 31,748.22
  4. Step 4: Simplify right side
    131,588.87x = 6,266,510,174.74
  5. Step 5: Solve for x
    x = 6,266,510,174.74/131,588.87
  6. Step 6: Final answer
    x = 47,621.89

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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.