Home / 140,456.36-193,782.29-79,984.13

Finding the Fourth Proportional to 140,456.36, 193,782.29 and 79,984.13

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Solution

The fourth proportional to 140,456.36, 193,782.29 and 79,984.13 is: 110,351.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,456.36 : 193,782.29 = 79,984.13 : x
  2. Step 2: Convert to fraction form
    140,456.36/193,782.29 = 79,984.13/x
  3. Step 3: Cross multiply
    140,456.36x = 193,782.29 × 79,984.13
  4. Step 4: Simplify right side
    140,456.36x = 15,499,507,875.06
  5. Step 5: Solve for x
    x = 15,499,507,875.06/140,456.36
  6. Step 6: Final answer
    x = 110,351.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.