Home / 330,137.32-455,585.56-186,925.28

Finding the Fourth Proportional to 330,137.32, 455,585.56 and 186,925.28

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Solution

The fourth proportional to 330,137.32, 455,585.56 and 186,925.28 is: 257,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,137.32 : 455,585.56 = 186,925.28 : x
  2. Step 2: Convert to fraction form
    330,137.32/455,585.56 = 186,925.28/x
  3. Step 3: Cross multiply
    330,137.32x = 455,585.56 × 186,925.28
  4. Step 4: Simplify right side
    330,137.32x = 85,160,458,366.96
  5. Step 5: Solve for x
    x = 85,160,458,366.96/330,137.32
  6. Step 6: Final answer
    x = 257,954.65

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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.