Home / 220,414.86-304,205.75-134,423.74

Finding the Fourth Proportional to 220,414.86, 304,205.75 and 134,423.74

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Solution

The fourth proportional to 220,414.86, 304,205.75 and 134,423.74 is: 185,525.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,414.86 : 304,205.75 = 134,423.74 : x
  2. Step 2: Convert to fraction form
    220,414.86/304,205.75 = 134,423.74/x
  3. Step 3: Cross multiply
    220,414.86x = 304,205.75 × 134,423.74
  4. Step 4: Simplify right side
    220,414.86x = 40,892,474,644.51
  5. Step 5: Solve for x
    x = 40,892,474,644.51/220,414.86
  6. Step 6: Final answer
    x = 185,525.04

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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.