Home / 315,148.37-434,761.74-185,999.22

Finding the Fourth Proportional to 315,148.37, 434,761.74 and 185,999.22

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Solution

The fourth proportional to 315,148.37, 434,761.74 and 185,999.22 is: 256,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,148.37 : 434,761.74 = 185,999.22 : x
  2. Step 2: Convert to fraction form
    315,148.37/434,761.74 = 185,999.22/x
  3. Step 3: Cross multiply
    315,148.37x = 434,761.74 × 185,999.22
  4. Step 4: Simplify right side
    315,148.37x = 80,865,344,525.84
  5. Step 5: Solve for x
    x = 80,865,344,525.84/315,148.37
  6. Step 6: Final answer
    x = 256,594.52

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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.