Home / 135,352.83-186,787.26-74,927.64

Finding the Fourth Proportional to 135,352.83, 186,787.26 and 74,927.64

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Solution

The fourth proportional to 135,352.83, 186,787.26 and 74,927.64 is: 103,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,352.83 : 186,787.26 = 74,927.64 : x
  2. Step 2: Convert to fraction form
    135,352.83/186,787.26 = 74,927.64/x
  3. Step 3: Cross multiply
    135,352.83x = 186,787.26 × 74,927.64
  4. Step 4: Simplify right side
    135,352.83x = 13,995,528,573.87
  5. Step 5: Solve for x
    x = 13,995,528,573.87/135,352.83
  6. Step 6: Final answer
    x = 103,400.34

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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.