Home / 115,513.04-159,360.56-70,183.70

Finding the Fourth Proportional to 115,513.04, 159,360.56 and 70,183.70

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Solution

The fourth proportional to 115,513.04, 159,360.56 and 70,183.70 is: 96,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,513.04 : 159,360.56 = 70,183.70 : x
  2. Step 2: Convert to fraction form
    115,513.04/159,360.56 = 70,183.70/x
  3. Step 3: Cross multiply
    115,513.04x = 159,360.56 × 70,183.70
  4. Step 4: Simplify right side
    115,513.04x = 11,184,512,587.15
  5. Step 5: Solve for x
    x = 11,184,512,587.15/115,513.04
  6. Step 6: Final answer
    x = 96,824.68

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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.