Home / 367,929.79-551,788.06-143,240.14

Finding the Fourth Proportional to 367,929.79, 551,788.06 and 143,240.14

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Solution

The fourth proportional to 367,929.79, 551,788.06 and 143,240.14 is: 214,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,929.79 : 551,788.06 = 143,240.14 : x
  2. Step 2: Convert to fraction form
    367,929.79/551,788.06 = 143,240.14/x
  3. Step 3: Cross multiply
    367,929.79x = 551,788.06 × 143,240.14
  4. Step 4: Simplify right side
    367,929.79x = 79,038,197,227.16
  5. Step 5: Solve for x
    x = 79,038,197,227.16/367,929.79
  6. Step 6: Final answer
    x = 214,818.70

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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.