Home / 144,402.12-199,194.90-83,966.10

Finding the Fourth Proportional to 144,402.12, 199,194.90 and 83,966.10

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Solution

The fourth proportional to 144,402.12, 199,194.90 and 83,966.10 is: 115,826.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,402.12 : 199,194.90 = 83,966.10 : x
  2. Step 2: Convert to fraction form
    144,402.12/199,194.90 = 83,966.10/x
  3. Step 3: Cross multiply
    144,402.12x = 199,194.90 × 83,966.10
  4. Step 4: Simplify right side
    144,402.12x = 16,725,618,892.89
  5. Step 5: Solve for x
    x = 16,725,618,892.89/144,402.12
  6. Step 6: Final answer
    x = 115,826.69

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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.