Home / 223,966.02-309,073.53-121,991.16

Finding the Fourth Proportional to 223,966.02, 309,073.53 and 121,991.16

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Solution

The fourth proportional to 223,966.02, 309,073.53 and 121,991.16 is: 168,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,966.02 : 309,073.53 = 121,991.16 : x
  2. Step 2: Convert to fraction form
    223,966.02/309,073.53 = 121,991.16/x
  3. Step 3: Cross multiply
    223,966.02x = 309,073.53 × 121,991.16
  4. Step 4: Simplify right side
    223,966.02x = 37,704,238,449.99
  5. Step 5: Solve for x
    x = 37,704,238,449.99/223,966.02
  6. Step 6: Final answer
    x = 168,348.03

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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.