Home / 115,301.40-159,091.74-70,003.23

Finding the Fourth Proportional to 115,301.40, 159,091.74 and 70,003.23

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Solution

The fourth proportional to 115,301.40, 159,091.74 and 70,003.23 is: 96,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,301.40 : 159,091.74 = 70,003.23 : x
  2. Step 2: Convert to fraction form
    115,301.40/159,091.74 = 70,003.23/x
  3. Step 3: Cross multiply
    115,301.40x = 159,091.74 × 70,003.23
  4. Step 4: Simplify right side
    115,301.40x = 11,136,935,666.32
  5. Step 5: Solve for x
    x = 11,136,935,666.32/115,301.40
  6. Step 6: Final answer
    x = 96,589.77

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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.