Home / 131,031.48-196,513.20-37,515.36

Finding the Fourth Proportional to 131,031.48, 196,513.20 and 37,515.36

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Solution

The fourth proportional to 131,031.48, 196,513.20 and 37,515.36 is: 56,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,031.48 : 196,513.20 = 37,515.36 : x
  2. Step 2: Convert to fraction form
    131,031.48/196,513.20 = 37,515.36/x
  3. Step 3: Cross multiply
    131,031.48x = 196,513.20 × 37,515.36
  4. Step 4: Simplify right side
    131,031.48x = 7,372,263,442.75
  5. Step 5: Solve for x
    x = 7,372,263,442.75/131,031.48
  6. Step 6: Final answer
    x = 56,263.30

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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.