Home / 130,932.86-196,126.80-126,416.01

Finding the Fourth Proportional to 130,932.86, 196,126.80 and 126,416.01

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Solution

The fourth proportional to 130,932.86, 196,126.80 and 126,416.01 is: 189,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,932.86 : 196,126.80 = 126,416.01 : x
  2. Step 2: Convert to fraction form
    130,932.86/196,126.80 = 126,416.01/x
  3. Step 3: Cross multiply
    130,932.86x = 196,126.80 × 126,416.01
  4. Step 4: Simplify right side
    130,932.86x = 24,793,567,510.07
  5. Step 5: Solve for x
    x = 24,793,567,510.07/130,932.86
  6. Step 6: Final answer
    x = 189,360.93

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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.