Home / 258,150.56-356,148.20-190,328.76

Finding the Fourth Proportional to 258,150.56, 356,148.20 and 190,328.76

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Solution

The fourth proportional to 258,150.56, 356,148.20 and 190,328.76 is: 262,580.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,150.56 : 356,148.20 = 190,328.76 : x
  2. Step 2: Convert to fraction form
    258,150.56/356,148.20 = 190,328.76/x
  3. Step 3: Cross multiply
    258,150.56x = 356,148.20 × 190,328.76
  4. Step 4: Simplify right side
    258,150.56x = 67,785,244,330.59
  5. Step 5: Solve for x
    x = 67,785,244,330.59/258,150.56
  6. Step 6: Final answer
    x = 262,580.28

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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.