Home / 127,623.14-191,427.73-38,869.22

Finding the Fourth Proportional to 127,623.14, 191,427.73 and 38,869.22

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Solution

The fourth proportional to 127,623.14, 191,427.73 and 38,869.22 is: 58,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,623.14 : 191,427.73 = 38,869.22 : x
  2. Step 2: Convert to fraction form
    127,623.14/191,427.73 = 38,869.22/x
  3. Step 3: Cross multiply
    127,623.14x = 191,427.73 × 38,869.22
  4. Step 4: Simplify right side
    127,623.14x = 7,440,646,551.47
  5. Step 5: Solve for x
    x = 7,440,646,551.47/127,623.14
  6. Step 6: Final answer
    x = 58,301.70

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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.