Home / 130,504.95-180,109.44-73,153.98

Finding the Fourth Proportional to 130,504.95, 180,109.44 and 73,153.98

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Solution

The fourth proportional to 130,504.95, 180,109.44 and 73,153.98 is: 100,959.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,504.95 : 180,109.44 = 73,153.98 : x
  2. Step 2: Convert to fraction form
    130,504.95/180,109.44 = 73,153.98/x
  3. Step 3: Cross multiply
    130,504.95x = 180,109.44 × 73,153.98
  4. Step 4: Simplify right side
    130,504.95x = 13,175,722,371.57
  5. Step 5: Solve for x
    x = 13,175,722,371.57/130,504.95
  6. Step 6: Final answer
    x = 100,959.56

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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.