Home / 242,784.24-363,930.76-100,432.81

Finding the Fourth Proportional to 242,784.24, 363,930.76 and 100,432.81

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Solution

The fourth proportional to 242,784.24, 363,930.76 and 100,432.81 is: 150,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,784.24 : 363,930.76 = 100,432.81 : x
  2. Step 2: Convert to fraction form
    242,784.24/363,930.76 = 100,432.81/x
  3. Step 3: Cross multiply
    242,784.24x = 363,930.76 × 100,432.81
  4. Step 4: Simplify right side
    242,784.24x = 36,550,588,872.24
  5. Step 5: Solve for x
    x = 36,550,588,872.24/242,784.24
  6. Step 6: Final answer
    x = 150,547.62

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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.