Home / 155,152.43-214,042.87-97,756.91

Finding the Fourth Proportional to 155,152.43, 214,042.87 and 97,756.91

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Solution

The fourth proportional to 155,152.43, 214,042.87 and 97,756.91 is: 134,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,152.43 : 214,042.87 = 97,756.91 : x
  2. Step 2: Convert to fraction form
    155,152.43/214,042.87 = 97,756.91/x
  3. Step 3: Cross multiply
    155,152.43x = 214,042.87 × 97,756.91
  4. Step 4: Simplify right side
    155,152.43x = 20,924,169,578.73
  5. Step 5: Solve for x
    x = 20,924,169,578.73/155,152.43
  6. Step 6: Final answer
    x = 134,862.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.