Home / 115,430.00-159,383.57-88,529.90

Finding the Fourth Proportional to 115,430.00, 159,383.57 and 88,529.90

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Solution

The fourth proportional to 115,430.00, 159,383.57 and 88,529.90 is: 122,240.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,430.00 : 159,383.57 = 88,529.90 : x
  2. Step 2: Convert to fraction form
    115,430.00/159,383.57 = 88,529.90/x
  3. Step 3: Cross multiply
    115,430.00x = 159,383.57 × 88,529.90
  4. Step 4: Simplify right side
    115,430.00x = 14,110,210,274.18
  5. Step 5: Solve for x
    x = 14,110,210,274.18/115,430.00
  6. Step 6: Final answer
    x = 122,240.41

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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.