Home / 114,089.40-171,182.70-79,009.96

Finding the Fourth Proportional to 114,089.40, 171,182.70 and 79,009.96

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Solution

The fourth proportional to 114,089.40, 171,182.70 and 79,009.96 is: 118,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,089.40 : 171,182.70 = 79,009.96 : x
  2. Step 2: Convert to fraction form
    114,089.40/171,182.70 = 79,009.96/x
  3. Step 3: Cross multiply
    114,089.40x = 171,182.70 × 79,009.96
  4. Step 4: Simplify right side
    114,089.40x = 13,525,138,279.69
  5. Step 5: Solve for x
    x = 13,525,138,279.69/114,089.40
  6. Step 6: Final answer
    x = 118,548.60

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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.