Home / 115,301.96-159,092.40-70,003.76

Finding the Fourth Proportional to 115,301.96, 159,092.40 and 70,003.76

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Solution

The fourth proportional to 115,301.96, 159,092.40 and 70,003.76 is: 96,590.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,301.96 : 159,092.40 = 70,003.76 : x
  2. Step 2: Convert to fraction form
    115,301.96/159,092.40 = 70,003.76/x
  3. Step 3: Cross multiply
    115,301.96x = 159,092.40 × 70,003.76
  4. Step 4: Simplify right side
    115,301.96x = 11,137,066,187.42
  5. Step 5: Solve for x
    x = 11,137,066,187.42/115,301.96
  6. Step 6: Final answer
    x = 96,590.43

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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.