Home / 250,033.50-345,043.59-135,309.66

Finding the Fourth Proportional to 250,033.50, 345,043.59 and 135,309.66

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Solution

The fourth proportional to 250,033.50, 345,043.59 and 135,309.66 is: 186,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,033.50 : 345,043.59 = 135,309.66 : x
  2. Step 2: Convert to fraction form
    250,033.50/345,043.59 = 135,309.66/x
  3. Step 3: Cross multiply
    250,033.50x = 345,043.59 × 135,309.66
  4. Step 4: Simplify right side
    250,033.50x = 46,687,730,848.08
  5. Step 5: Solve for x
    x = 46,687,730,848.08/250,033.50
  6. Step 6: Final answer
    x = 186,725.90

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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.