Home / 95,164.77-143,416.00-85,688.69

Finding the Fourth Proportional to 95,164.77, 143,416.00 and 85,688.69

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Solution

The fourth proportional to 95,164.77, 143,416.00 and 85,688.69 is: 129,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,164.77 : 143,416.00 = 85,688.69 : x
  2. Step 2: Convert to fraction form
    95,164.77/143,416.00 = 85,688.69/x
  3. Step 3: Cross multiply
    95,164.77x = 143,416.00 × 85,688.69
  4. Step 4: Simplify right side
    95,164.77x = 12,289,128,555.07
  5. Step 5: Solve for x
    x = 12,289,128,555.07/95,164.77
  6. Step 6: Final answer
    x = 129,135.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.