Home / 130,895.40-180,625.01-73,531.61

Finding the Fourth Proportional to 130,895.40, 180,625.01 and 73,531.61

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Solution

The fourth proportional to 130,895.40, 180,625.01 and 73,531.61 is: 101,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,895.40 : 180,625.01 = 73,531.61 : x
  2. Step 2: Convert to fraction form
    130,895.40/180,625.01 = 73,531.61/x
  3. Step 3: Cross multiply
    130,895.40x = 180,625.01 × 73,531.61
  4. Step 4: Simplify right side
    130,895.40x = 13,281,646,520.78
  5. Step 5: Solve for x
    x = 13,281,646,520.78/130,895.40
  6. Step 6: Final answer
    x = 101,467.63

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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.