Home / 250,429.68-345,592.26-135,711.48

Finding the Fourth Proportional to 250,429.68, 345,592.26 and 135,711.48

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Solution

The fourth proportional to 250,429.68, 345,592.26 and 135,711.48 is: 187,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,429.68 : 345,592.26 = 135,711.48 : x
  2. Step 2: Convert to fraction form
    250,429.68/345,592.26 = 135,711.48/x
  3. Step 3: Cross multiply
    250,429.68x = 345,592.26 × 135,711.48
  4. Step 4: Simplify right side
    250,429.68x = 46,900,837,081.14
  5. Step 5: Solve for x
    x = 46,900,837,081.14/250,429.68
  6. Step 6: Final answer
    x = 187,281.46

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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.