Home / 127,623.30-191,463.48-38,883.75

Finding the Fourth Proportional to 127,623.30, 191,463.48 and 38,883.75

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Solution

The fourth proportional to 127,623.30, 191,463.48 and 38,883.75 is: 58,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,623.30 : 191,463.48 = 38,883.75 : x
  2. Step 2: Convert to fraction form
    127,623.30/191,463.48 = 38,883.75/x
  3. Step 3: Cross multiply
    127,623.30x = 191,463.48 × 38,883.75
  4. Step 4: Simplify right side
    127,623.30x = 7,444,818,090.45
  5. Step 5: Solve for x
    x = 7,444,818,090.45/127,623.30
  6. Step 6: Final answer
    x = 58,334.32

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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.