Home / 125,690.04-173,460.60-71,982.36

Finding the Fourth Proportional to 125,690.04, 173,460.60 and 71,982.36

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Solution

The fourth proportional to 125,690.04, 173,460.60 and 71,982.36 is: 99,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,690.04 : 173,460.60 = 71,982.36 : x
  2. Step 2: Convert to fraction form
    125,690.04/173,460.60 = 71,982.36/x
  3. Step 3: Cross multiply
    125,690.04x = 173,460.60 × 71,982.36
  4. Step 4: Simplify right side
    125,690.04x = 12,486,103,355.02
  5. Step 5: Solve for x
    x = 12,486,103,355.02/125,690.04
  6. Step 6: Final answer
    x = 99,340.44

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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.