Home / 130,895.58-180,623.15-73,521.91

Finding the Fourth Proportional to 130,895.58, 180,623.15 and 73,521.91

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Solution

The fourth proportional to 130,895.58, 180,623.15 and 73,521.91 is: 101,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,895.58 : 180,623.15 = 73,521.91 : x
  2. Step 2: Convert to fraction form
    130,895.58/180,623.15 = 73,521.91/x
  3. Step 3: Cross multiply
    130,895.58x = 180,623.15 × 73,521.91
  4. Step 4: Simplify right side
    130,895.58x = 13,279,759,112.09
  5. Step 5: Solve for x
    x = 13,279,759,112.09/130,895.58
  6. Step 6: Final answer
    x = 101,453.07

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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.