Home / 112,174.71-154,646.06-89,589.75

Finding the Fourth Proportional to 112,174.71, 154,646.06 and 89,589.75

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Solution

The fourth proportional to 112,174.71, 154,646.06 and 89,589.75 is: 123,510.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,174.71 : 154,646.06 = 89,589.75 : x
  2. Step 2: Convert to fraction form
    112,174.71/154,646.06 = 89,589.75/x
  3. Step 3: Cross multiply
    112,174.71x = 154,646.06 × 89,589.75
  4. Step 4: Simplify right side
    112,174.71x = 13,854,701,405.94
  5. Step 5: Solve for x
    x = 13,854,701,405.94/112,174.71
  6. Step 6: Final answer
    x = 123,510.03

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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.