Home / 130,325.16-179,795.26-79,296.98

Finding the Fourth Proportional to 130,325.16, 179,795.26 and 79,296.98

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Solution

The fourth proportional to 130,325.16, 179,795.26 and 79,296.98 is: 109,397.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,325.16 : 179,795.26 = 79,296.98 : x
  2. Step 2: Convert to fraction form
    130,325.16/179,795.26 = 79,296.98/x
  3. Step 3: Cross multiply
    130,325.16x = 179,795.26 × 79,296.98
  4. Step 4: Simplify right side
    130,325.16x = 14,257,220,739.83
  5. Step 5: Solve for x
    x = 14,257,220,739.83/130,325.16
  6. Step 6: Final answer
    x = 109,397.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.