Home / 125,962.26-188,943.12-86,399.46

Finding the Fourth Proportional to 125,962.26, 188,943.12 and 86,399.46

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Solution

The fourth proportional to 125,962.26, 188,943.12 and 86,399.46 is: 129,599.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,962.26 : 188,943.12 = 86,399.46 : x
  2. Step 2: Convert to fraction form
    125,962.26/188,943.12 = 86,399.46/x
  3. Step 3: Cross multiply
    125,962.26x = 188,943.12 × 86,399.46
  4. Step 4: Simplify right side
    125,962.26x = 16,324,583,538.72
  5. Step 5: Solve for x
    x = 16,324,583,538.72/125,962.26
  6. Step 6: Final answer
    x = 129,599.00

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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.