Home / 141,439.06-212,128.71-41,572.09

Finding the Fourth Proportional to 141,439.06, 212,128.71 and 41,572.09

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Solution

The fourth proportional to 141,439.06, 212,128.71 and 41,572.09 is: 62,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,439.06 : 212,128.71 = 41,572.09 : x
  2. Step 2: Convert to fraction form
    141,439.06/212,128.71 = 41,572.09/x
  3. Step 3: Cross multiply
    141,439.06x = 212,128.71 × 41,572.09
  4. Step 4: Simplify right side
    141,439.06x = 8,818,633,823.70
  5. Step 5: Solve for x
    x = 8,818,633,823.70/141,439.06
  6. Step 6: Final answer
    x = 62,349.35

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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.