Home / 114,330.96-171,201.06-78,901.56

Finding the Fourth Proportional to 114,330.96, 171,201.06 and 78,901.56

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Solution

The fourth proportional to 114,330.96, 171,201.06 and 78,901.56 is: 118,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,330.96 : 171,201.06 = 78,901.56 : x
  2. Step 2: Convert to fraction form
    114,330.96/171,201.06 = 78,901.56/x
  3. Step 3: Cross multiply
    114,330.96x = 171,201.06 × 78,901.56
  4. Step 4: Simplify right side
    114,330.96x = 13,508,030,707.65
  5. Step 5: Solve for x
    x = 13,508,030,707.65/114,330.96
  6. Step 6: Final answer
    x = 118,148.49

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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.