Home / 330,335.05-455,934.95-217,168.33

Finding the Fourth Proportional to 330,335.05, 455,934.95 and 217,168.33

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Solution

The fourth proportional to 330,335.05, 455,934.95 and 217,168.33 is: 299,740.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,335.05 : 455,934.95 = 217,168.33 : x
  2. Step 2: Convert to fraction form
    330,335.05/455,934.95 = 217,168.33/x
  3. Step 3: Cross multiply
    330,335.05x = 455,934.95 × 217,168.33
  4. Step 4: Simplify right side
    330,335.05x = 99,014,631,680.13
  5. Step 5: Solve for x
    x = 99,014,631,680.13/330,335.05
  6. Step 6: Final answer
    x = 299,740.01

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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.