Home / 125,780.35-173,579.58-69,191.72

Finding the Fourth Proportional to 125,780.35, 173,579.58 and 69,191.72

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Solution

The fourth proportional to 125,780.35, 173,579.58 and 69,191.72 is: 95,486.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,780.35 : 173,579.58 = 69,191.72 : x
  2. Step 2: Convert to fraction form
    125,780.35/173,579.58 = 69,191.72/x
  3. Step 3: Cross multiply
    125,780.35x = 173,579.58 × 69,191.72
  4. Step 4: Simplify right side
    125,780.35x = 12,010,269,697.08
  5. Step 5: Solve for x
    x = 12,010,269,697.08/125,780.35
  6. Step 6: Final answer
    x = 95,486.06

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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.