Home / 119,479.03-164,858.29-76,425.55

Finding the Fourth Proportional to 119,479.03, 164,858.29 and 76,425.55

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Solution

The fourth proportional to 119,479.03, 164,858.29 and 76,425.55 is: 105,452.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,479.03 : 164,858.29 = 76,425.55 : x
  2. Step 2: Convert to fraction form
    119,479.03/164,858.29 = 76,425.55/x
  3. Step 3: Cross multiply
    119,479.03x = 164,858.29 × 76,425.55
  4. Step 4: Simplify right side
    119,479.03x = 12,599,384,882.10
  5. Step 5: Solve for x
    x = 12,599,384,882.10/119,479.03
  6. Step 6: Final answer
    x = 105,452.69

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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.