Home / 256,051.04-383,562.12-127,579.82

Finding the Fourth Proportional to 256,051.04, 383,562.12 and 127,579.82

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Solution

The fourth proportional to 256,051.04, 383,562.12 and 127,579.82 is: 191,113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,051.04 : 383,562.12 = 127,579.82 : x
  2. Step 2: Convert to fraction form
    256,051.04/383,562.12 = 127,579.82/x
  3. Step 3: Cross multiply
    256,051.04x = 383,562.12 × 127,579.82
  4. Step 4: Simplify right side
    256,051.04x = 48,934,786,228.42
  5. Step 5: Solve for x
    x = 48,934,786,228.42/256,051.04
  6. Step 6: Final answer
    x = 191,113.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.