Home / 115,316.46-159,133.11-67,601.59

Finding the Fourth Proportional to 115,316.46, 159,133.11 and 67,601.59

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Solution

The fourth proportional to 115,316.46, 159,133.11 and 67,601.59 is: 93,288.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,316.46 : 159,133.11 = 67,601.59 : x
  2. Step 2: Convert to fraction form
    115,316.46/159,133.11 = 67,601.59/x
  3. Step 3: Cross multiply
    115,316.46x = 159,133.11 × 67,601.59
  4. Step 4: Simplify right side
    115,316.46x = 10,757,650,606.31
  5. Step 5: Solve for x
    x = 10,757,650,606.31/115,316.46
  6. Step 6: Final answer
    x = 93,288.08

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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.