Home / 141,571.83-212,210.10-57,390.09

Finding the Fourth Proportional to 141,571.83, 212,210.10 and 57,390.09

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Solution

The fourth proportional to 141,571.83, 212,210.10 and 57,390.09 is: 86,025.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,571.83 : 212,210.10 = 57,390.09 : x
  2. Step 2: Convert to fraction form
    141,571.83/212,210.10 = 57,390.09/x
  3. Step 3: Cross multiply
    141,571.83x = 212,210.10 × 57,390.09
  4. Step 4: Simplify right side
    141,571.83x = 12,178,756,737.91
  5. Step 5: Solve for x
    x = 12,178,756,737.91/141,571.83
  6. Step 6: Final answer
    x = 86,025.28

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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.