Home / 152,953.08-211,251.87-101,881.68

Finding the Fourth Proportional to 152,953.08, 211,251.87 and 101,881.68

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Solution

The fourth proportional to 152,953.08, 211,251.87 and 101,881.68 is: 140,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,953.08 : 211,251.87 = 101,881.68 : x
  2. Step 2: Convert to fraction form
    152,953.08/211,251.87 = 101,881.68/x
  3. Step 3: Cross multiply
    152,953.08x = 211,251.87 × 101,881.68
  4. Step 4: Simplify right side
    152,953.08x = 21,522,695,418.74
  5. Step 5: Solve for x
    x = 21,522,695,418.74/152,953.08
  6. Step 6: Final answer
    x = 140,714.36

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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.