Home / 125,625.60-188,438.40-41,385.60

Finding the Fourth Proportional to 125,625.60, 188,438.40 and 41,385.60

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Solution

The fourth proportional to 125,625.60, 188,438.40 and 41,385.60 is: 62,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,625.60 : 188,438.40 = 41,385.60 : x
  2. Step 2: Convert to fraction form
    125,625.60/188,438.40 = 41,385.60/x
  3. Step 3: Cross multiply
    125,625.60x = 188,438.40 × 41,385.60
  4. Step 4: Simplify right side
    125,625.60x = 7,798,636,247.04
  5. Step 5: Solve for x
    x = 7,798,636,247.04/125,625.60
  6. Step 6: Final answer
    x = 62,078.40

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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.