Home / 127,832.20-191,748.30-57,848.20

Finding the Fourth Proportional to 127,832.20, 191,748.30 and 57,848.20

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Solution

The fourth proportional to 127,832.20, 191,748.30 and 57,848.20 is: 86,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,832.20 : 191,748.30 = 57,848.20 : x
  2. Step 2: Convert to fraction form
    127,832.20/191,748.30 = 57,848.20/x
  3. Step 3: Cross multiply
    127,832.20x = 191,748.30 × 57,848.20
  4. Step 4: Simplify right side
    127,832.20x = 11,092,294,008.06
  5. Step 5: Solve for x
    x = 11,092,294,008.06/127,832.20
  6. Step 6: Final answer
    x = 86,772.30

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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.