Home / 131,130.08-196,690-37,635.80

Finding the Fourth Proportional to 131,130.08, 196,690 and 37,635.80

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Solution

The fourth proportional to 131,130.08, 196,690 and 37,635.80 is: 56,452.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,130.08 : 196,690 = 37,635.80 : x
  2. Step 2: Convert to fraction form
    131,130.08/196,690 = 37,635.80/x
  3. Step 3: Cross multiply
    131,130.08x = 196,690 × 37,635.80
  4. Step 4: Simplify right side
    131,130.08x = 7,402,585,502.00
  5. Step 5: Solve for x
    x = 7,402,585,502.00/131,130.08
  6. Step 6: Final answer
    x = 56,452.23

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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.