Home / 130,720.32-196,114.50-37,233.36

Finding the Fourth Proportional to 130,720.32, 196,114.50 and 37,233.36

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Solution

The fourth proportional to 130,720.32, 196,114.50 and 37,233.36 is: 55,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,720.32 : 196,114.50 = 37,233.36 : x
  2. Step 2: Convert to fraction form
    130,720.32/196,114.50 = 37,233.36/x
  3. Step 3: Cross multiply
    130,720.32x = 196,114.50 × 37,233.36
  4. Step 4: Simplify right side
    130,720.32x = 7,302,001,779.72
  5. Step 5: Solve for x
    x = 7,302,001,779.72/130,720.32
  6. Step 6: Final answer
    x = 55,859.73

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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.