Home / 130,514.55-195,607.80-63,811.05

Finding the Fourth Proportional to 130,514.55, 195,607.80 and 63,811.05

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Solution

The fourth proportional to 130,514.55, 195,607.80 and 63,811.05 is: 95,636.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,514.55 : 195,607.80 = 63,811.05 : x
  2. Step 2: Convert to fraction form
    130,514.55/195,607.80 = 63,811.05/x
  3. Step 3: Cross multiply
    130,514.55x = 195,607.80 × 63,811.05
  4. Step 4: Simplify right side
    130,514.55x = 12,481,939,106.19
  5. Step 5: Solve for x
    x = 12,481,939,106.19/130,514.55
  6. Step 6: Final answer
    x = 95,636.38

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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.