Home / 287,325.57-396,509.29-166,536.92

Finding the Fourth Proportional to 287,325.57, 396,509.29 and 166,536.92

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Solution

The fourth proportional to 287,325.57, 396,509.29 and 166,536.92 is: 229,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,325.57 : 396,509.29 = 166,536.92 : x
  2. Step 2: Convert to fraction form
    287,325.57/396,509.29 = 166,536.92/x
  3. Step 3: Cross multiply
    287,325.57x = 396,509.29 × 166,536.92
  4. Step 4: Simplify right side
    287,325.57x = 66,033,436,482.92
  5. Step 5: Solve for x
    x = 66,033,436,482.92/287,325.57
  6. Step 6: Final answer
    x = 229,820.95

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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.