Home / 127,421.89-191,218.97-48,534.05

Finding the Fourth Proportional to 127,421.89, 191,218.97 and 48,534.05

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Solution

The fourth proportional to 127,421.89, 191,218.97 and 48,534.05 is: 72,833.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,421.89 : 191,218.97 = 48,534.05 : x
  2. Step 2: Convert to fraction form
    127,421.89/191,218.97 = 48,534.05/x
  3. Step 3: Cross multiply
    127,421.89x = 191,218.97 × 48,534.05
  4. Step 4: Simplify right side
    127,421.89x = 9,280,631,650.31
  5. Step 5: Solve for x
    x = 9,280,631,650.31/127,421.89
  6. Step 6: Final answer
    x = 72,833.89

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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.