Home / 329,959.28-455,345-179,056.24

Finding the Fourth Proportional to 329,959.28, 455,345 and 179,056.24

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Solution

The fourth proportional to 329,959.28, 455,345 and 179,056.24 is: 247,098.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,959.28 : 455,345 = 179,056.24 : x
  2. Step 2: Convert to fraction form
    329,959.28/455,345 = 179,056.24/x
  3. Step 3: Cross multiply
    329,959.28x = 455,345 × 179,056.24
  4. Step 4: Simplify right side
    329,959.28x = 81,532,363,602.80
  5. Step 5: Solve for x
    x = 81,532,363,602.80/329,959.28
  6. Step 6: Final answer
    x = 247,098.26

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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.