Home / 115,317.46-159,134.49-67,602.59

Finding the Fourth Proportional to 115,317.46, 159,134.49 and 67,602.59

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Solution

The fourth proportional to 115,317.46, 159,134.49 and 67,602.59 is: 93,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,317.46 : 159,134.49 = 67,602.59 : x
  2. Step 2: Convert to fraction form
    115,317.46/159,134.49 = 67,602.59/x
  3. Step 3: Cross multiply
    115,317.46x = 159,134.49 × 67,602.59
  4. Step 4: Simplify right side
    115,317.46x = 10,757,903,682.33
  5. Step 5: Solve for x
    x = 10,757,903,682.33/115,317.46
  6. Step 6: Final answer
    x = 93,289.46

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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.