Home / 116,542.08-174,772.80-72,100.80

Finding the Fourth Proportional to 116,542.08, 174,772.80 and 72,100.80

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Solution

The fourth proportional to 116,542.08, 174,772.80 and 72,100.80 is: 108,126.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,542.08 : 174,772.80 = 72,100.80 : x
  2. Step 2: Convert to fraction form
    116,542.08/174,772.80 = 72,100.80/x
  3. Step 3: Cross multiply
    116,542.08x = 174,772.80 × 72,100.80
  4. Step 4: Simplify right side
    116,542.08x = 12,601,258,698.24
  5. Step 5: Solve for x
    x = 12,601,258,698.24/116,542.08
  6. Step 6: Final answer
    x = 108,126.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.