Home / 243,410.18-365,156.64-74,926.67

Finding the Fourth Proportional to 243,410.18, 365,156.64 and 74,926.67

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Solution

The fourth proportional to 243,410.18, 365,156.64 and 74,926.67 is: 112,402.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,410.18 : 365,156.64 = 74,926.67 : x
  2. Step 2: Convert to fraction form
    243,410.18/365,156.64 = 74,926.67/x
  3. Step 3: Cross multiply
    243,410.18x = 365,156.64 × 74,926.67
  4. Step 4: Simplify right side
    243,410.18x = 27,359,969,237.81
  5. Step 5: Solve for x
    x = 27,359,969,237.81/243,410.18
  6. Step 6: Final answer
    x = 112,402.73

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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.