Home / 130,215.80-179,696.94-73,627.40

Finding the Fourth Proportional to 130,215.80, 179,696.94 and 73,627.40

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Solution

The fourth proportional to 130,215.80, 179,696.94 and 73,627.40 is: 101,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,215.80 : 179,696.94 = 73,627.40 : x
  2. Step 2: Convert to fraction form
    130,215.80/179,696.94 = 73,627.40/x
  3. Step 3: Cross multiply
    130,215.80x = 179,696.94 × 73,627.40
  4. Step 4: Simplify right side
    130,215.80x = 13,230,618,480.16
  5. Step 5: Solve for x
    x = 13,230,618,480.16/130,215.80
  6. Step 6: Final answer
    x = 101,605.32

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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.