Home / 130,359.88-179,895.06-73,769.80

Finding the Fourth Proportional to 130,359.88, 179,895.06 and 73,769.80

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Solution

The fourth proportional to 130,359.88, 179,895.06 and 73,769.80 is: 101,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,359.88 : 179,895.06 = 73,769.80 : x
  2. Step 2: Convert to fraction form
    130,359.88/179,895.06 = 73,769.80/x
  3. Step 3: Cross multiply
    130,359.88x = 179,895.06 × 73,769.80
  4. Step 4: Simplify right side
    130,359.88x = 13,270,822,597.19
  5. Step 5: Solve for x
    x = 13,270,822,597.19/130,359.88
  6. Step 6: Final answer
    x = 101,801.43

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1.5x scale

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.