Home / 107,280.81-160,918.50-51,160.59

Finding the Fourth Proportional to 107,280.81, 160,918.50 and 51,160.59

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Solution

The fourth proportional to 107,280.81, 160,918.50 and 51,160.59 is: 76,739.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,280.81 : 160,918.50 = 51,160.59 : x
  2. Step 2: Convert to fraction form
    107,280.81/160,918.50 = 51,160.59/x
  3. Step 3: Cross multiply
    107,280.81x = 160,918.50 × 51,160.59
  4. Step 4: Simplify right side
    107,280.81x = 8,232,685,401.92
  5. Step 5: Solve for x
    x = 8,232,685,401.92/107,280.81
  6. Step 6: Final answer
    x = 76,739.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.