Home / 130,999.18-196,334.42-56,031.34

Finding the Fourth Proportional to 130,999.18, 196,334.42 and 56,031.34

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Solution

The fourth proportional to 130,999.18, 196,334.42 and 56,031.34 is: 83,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,999.18 : 196,334.42 = 56,031.34 : x
  2. Step 2: Convert to fraction form
    130,999.18/196,334.42 = 56,031.34/x
  3. Step 3: Cross multiply
    130,999.18x = 196,334.42 × 56,031.34
  4. Step 4: Simplify right side
    130,999.18x = 11,000,880,640.72
  5. Step 5: Solve for x
    x = 11,000,880,640.72/130,999.18
  6. Step 6: Final answer
    x = 83,976.71

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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.