Home / 126,750.88-190,313.22-70,700.50

Finding the Fourth Proportional to 126,750.88, 190,313.22 and 70,700.50

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Solution

The fourth proportional to 126,750.88, 190,313.22 and 70,700.50 is: 106,155.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,750.88 : 190,313.22 = 70,700.50 : x
  2. Step 2: Convert to fraction form
    126,750.88/190,313.22 = 70,700.50/x
  3. Step 3: Cross multiply
    126,750.88x = 190,313.22 × 70,700.50
  4. Step 4: Simplify right side
    126,750.88x = 13,455,238,859.04
  5. Step 5: Solve for x
    x = 13,455,238,859.04/126,750.88
  6. Step 6: Final answer
    x = 106,155.00

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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.