Home / 173,805.12-260,707.68-80,298.72

Finding the Fourth Proportional to 173,805.12, 260,707.68 and 80,298.72

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Solution

The fourth proportional to 173,805.12, 260,707.68 and 80,298.72 is: 120,448.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,805.12 : 260,707.68 = 80,298.72 : x
  2. Step 2: Convert to fraction form
    173,805.12/260,707.68 = 80,298.72/x
  3. Step 3: Cross multiply
    173,805.12x = 260,707.68 × 80,298.72
  4. Step 4: Simplify right side
    173,805.12x = 20,934,492,998.17
  5. Step 5: Solve for x
    x = 20,934,492,998.17/173,805.12
  6. Step 6: Final answer
    x = 120,448.08

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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.