Home / 141,829.10-212,743.65-133,081.10

Finding the Fourth Proportional to 141,829.10, 212,743.65 and 133,081.10

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Solution

The fourth proportional to 141,829.10, 212,743.65 and 133,081.10 is: 199,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,829.10 : 212,743.65 = 133,081.10 : x
  2. Step 2: Convert to fraction form
    141,829.10/212,743.65 = 133,081.10/x
  3. Step 3: Cross multiply
    141,829.10x = 212,743.65 × 133,081.10
  4. Step 4: Simplify right side
    141,829.10x = 28,312,158,960.02
  5. Step 5: Solve for x
    x = 28,312,158,960.02/141,829.10
  6. Step 6: Final answer
    x = 199,621.65

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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.