Home / 250,280.08-345,384.42-135,556.06

Finding the Fourth Proportional to 250,280.08, 345,384.42 and 135,556.06

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Solution

The fourth proportional to 250,280.08, 345,384.42 and 135,556.06 is: 187,066.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,280.08 : 345,384.42 = 135,556.06 : x
  2. Step 2: Convert to fraction form
    250,280.08/345,384.42 = 135,556.06/x
  3. Step 3: Cross multiply
    250,280.08x = 345,384.42 × 135,556.06
  4. Step 4: Simplify right side
    250,280.08x = 46,818,952,170.28
  5. Step 5: Solve for x
    x = 46,818,952,170.28/250,280.08
  6. Step 6: Final answer
    x = 187,066.23

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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.