Home / 287,352.20-396,436.98-174,133.64

Finding the Fourth Proportional to 287,352.20, 396,436.98 and 174,133.64

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Solution

The fourth proportional to 287,352.20, 396,436.98 and 174,133.64 is: 240,238.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,352.20 : 396,436.98 = 174,133.64 : x
  2. Step 2: Convert to fraction form
    287,352.20/396,436.98 = 174,133.64/x
  3. Step 3: Cross multiply
    287,352.20x = 396,436.98 × 174,133.64
  4. Step 4: Simplify right side
    287,352.20x = 69,033,014,358.01
  5. Step 5: Solve for x
    x = 69,033,014,358.01/287,352.20
  6. Step 6: Final answer
    x = 240,238.34

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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.