Home / 130,786.29-180,472.62-73,412.48

Finding the Fourth Proportional to 130,786.29, 180,472.62 and 73,412.48

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Solution

The fourth proportional to 130,786.29, 180,472.62 and 73,412.48 is: 101,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,786.29 : 180,472.62 = 73,412.48 : x
  2. Step 2: Convert to fraction form
    130,786.29/180,472.62 = 73,412.48/x
  3. Step 3: Cross multiply
    130,786.29x = 180,472.62 × 73,412.48
  4. Step 4: Simplify right side
    130,786.29x = 13,248,941,336.87
  5. Step 5: Solve for x
    x = 13,248,941,336.87/130,786.29
  6. Step 6: Final answer
    x = 101,302.22

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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.