Home / 141,042.70-211,429.20-52,272.40

Finding the Fourth Proportional to 141,042.70, 211,429.20 and 52,272.40

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Solution

The fourth proportional to 141,042.70, 211,429.20 and 52,272.40 is: 78,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,042.70 : 211,429.20 = 52,272.40 : x
  2. Step 2: Convert to fraction form
    141,042.70/211,429.20 = 52,272.40/x
  3. Step 3: Cross multiply
    141,042.70x = 211,429.20 × 52,272.40
  4. Step 4: Simplify right side
    141,042.70x = 11,051,911,714.08
  5. Step 5: Solve for x
    x = 11,051,911,714.08/141,042.70
  6. Step 6: Final answer
    x = 78,358.62

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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.