Home / 135,216.01-186,594.63-74,785.15

Finding the Fourth Proportional to 135,216.01, 186,594.63 and 74,785.15

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Solution

The fourth proportional to 135,216.01, 186,594.63 and 74,785.15 is: 103,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,216.01 : 186,594.63 = 74,785.15 : x
  2. Step 2: Convert to fraction form
    135,216.01/186,594.63 = 74,785.15/x
  3. Step 3: Cross multiply
    135,216.01x = 186,594.63 × 74,785.15
  4. Step 4: Simplify right side
    135,216.01x = 13,954,507,393.74
  5. Step 5: Solve for x
    x = 13,954,507,393.74/135,216.01
  6. Step 6: Final answer
    x = 103,201.59

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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.