Home / 348,742.40-523,343.23-191,081.57

Finding the Fourth Proportional to 348,742.40, 523,343.23 and 191,081.57

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Solution

The fourth proportional to 348,742.40, 523,343.23 and 191,081.57 is: 286,748.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,742.40 : 523,343.23 = 191,081.57 : x
  2. Step 2: Convert to fraction form
    348,742.40/523,343.23 = 191,081.57/x
  3. Step 3: Cross multiply
    348,742.40x = 523,343.23 × 191,081.57
  4. Step 4: Simplify right side
    348,742.40x = 100,001,242,942.85
  5. Step 5: Solve for x
    x = 100,001,242,942.85/348,742.40
  6. Step 6: Final answer
    x = 286,748.17

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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.