Home / 152,945.22-211,098.14-84,985.55

Finding the Fourth Proportional to 152,945.22, 211,098.14 and 84,985.55

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Solution

The fourth proportional to 152,945.22, 211,098.14 and 84,985.55 is: 117,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,945.22 : 211,098.14 = 84,985.55 : x
  2. Step 2: Convert to fraction form
    152,945.22/211,098.14 = 84,985.55/x
  3. Step 3: Cross multiply
    152,945.22x = 211,098.14 × 84,985.55
  4. Step 4: Simplify right side
    152,945.22x = 17,940,290,051.46
  5. Step 5: Solve for x
    x = 17,940,290,051.46/152,945.22
  6. Step 6: Final answer
    x = 117,298.80

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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.