Home / 456,732.63-684,911.58-136,771.79

Finding the Fourth Proportional to 456,732.63, 684,911.58 and 136,771.79

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Solution

The fourth proportional to 456,732.63, 684,911.58 and 136,771.79 is: 205,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,732.63 : 684,911.58 = 136,771.79 : x
  2. Step 2: Convert to fraction form
    456,732.63/684,911.58 = 136,771.79/x
  3. Step 3: Cross multiply
    456,732.63x = 684,911.58 × 136,771.79
  4. Step 4: Simplify right side
    456,732.63x = 93,676,579,363.77
  5. Step 5: Solve for x
    x = 93,676,579,363.77/456,732.63
  6. Step 6: Final answer
    x = 205,101.57

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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.