Home / 115,223.00-159,019.53-64,244.03

Finding the Fourth Proportional to 115,223.00, 159,019.53 and 64,244.03

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Solution

The fourth proportional to 115,223.00, 159,019.53 and 64,244.03 is: 88,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,223.00 : 159,019.53 = 64,244.03 : x
  2. Step 2: Convert to fraction form
    115,223.00/159,019.53 = 64,244.03/x
  3. Step 3: Cross multiply
    115,223.00x = 159,019.53 × 64,244.03
  4. Step 4: Simplify right side
    115,223.00x = 10,216,054,660.81
  5. Step 5: Solve for x
    x = 10,216,054,660.81/115,223.00
  6. Step 6: Final answer
    x = 88,663.33

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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.