Home / 141,492.11-212,050.64-103,876.31

Finding the Fourth Proportional to 141,492.11, 212,050.64 and 103,876.31

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Solution

The fourth proportional to 141,492.11, 212,050.64 and 103,876.31 is: 155,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,492.11 : 212,050.64 = 103,876.31 : x
  2. Step 2: Convert to fraction form
    141,492.11/212,050.64 = 103,876.31/x
  3. Step 3: Cross multiply
    141,492.11x = 212,050.64 × 103,876.31
  4. Step 4: Simplify right side
    141,492.11x = 22,027,038,806.16
  5. Step 5: Solve for x
    x = 22,027,038,806.16/141,492.11
  6. Step 6: Final answer
    x = 155,676.80

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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.