Home / 135,910.12-187,550.40-75,483.40

Finding the Fourth Proportional to 135,910.12, 187,550.40 and 75,483.40

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Solution

The fourth proportional to 135,910.12, 187,550.40 and 75,483.40 is: 104,164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,910.12 : 187,550.40 = 75,483.40 : x
  2. Step 2: Convert to fraction form
    135,910.12/187,550.40 = 75,483.40/x
  3. Step 3: Cross multiply
    135,910.12x = 187,550.40 × 75,483.40
  4. Step 4: Simplify right side
    135,910.12x = 14,156,941,863.36
  5. Step 5: Solve for x
    x = 14,156,941,863.36/135,910.12
  6. Step 6: Final answer
    x = 104,164.00

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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.