Home / 121,674.30-182,511.45-117,008.70

Finding the Fourth Proportional to 121,674.30, 182,511.45 and 117,008.70

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Solution

The fourth proportional to 121,674.30, 182,511.45 and 117,008.70 is: 175,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,674.30 : 182,511.45 = 117,008.70 : x
  2. Step 2: Convert to fraction form
    121,674.30/182,511.45 = 117,008.70/x
  3. Step 3: Cross multiply
    121,674.30x = 182,511.45 × 117,008.70
  4. Step 4: Simplify right side
    121,674.30x = 21,355,427,499.62
  5. Step 5: Solve for x
    x = 21,355,427,499.62/121,674.30
  6. Step 6: Final answer
    x = 175,513.05

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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.