Home / 127,969.06-191,559.85-83,500.06

Finding the Fourth Proportional to 127,969.06, 191,559.85 and 83,500.06

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Solution

The fourth proportional to 127,969.06, 191,559.85 and 83,500.06 is: 124,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,969.06 : 191,559.85 = 83,500.06 : x
  2. Step 2: Convert to fraction form
    127,969.06/191,559.85 = 83,500.06/x
  3. Step 3: Cross multiply
    127,969.06x = 191,559.85 × 83,500.06
  4. Step 4: Simplify right side
    127,969.06x = 15,995,258,968.59
  5. Step 5: Solve for x
    x = 15,995,258,968.59/127,969.06
  6. Step 6: Final answer
    x = 124,993.17

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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.