Home / 329,848.64-455,192.28-178,946.72

Finding the Fourth Proportional to 329,848.64, 455,192.28 and 178,946.72

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Solution

The fourth proportional to 329,848.64, 455,192.28 and 178,946.72 is: 246,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,848.64 : 455,192.28 = 178,946.72 : x
  2. Step 2: Convert to fraction form
    329,848.64/455,192.28 = 178,946.72/x
  3. Step 3: Cross multiply
    329,848.64x = 455,192.28 × 178,946.72
  4. Step 4: Simplify right side
    329,848.64x = 81,455,165,475.32
  5. Step 5: Solve for x
    x = 81,455,165,475.32/329,848.64
  6. Step 6: Final answer
    x = 246,947.10

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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.