Home / 161,664.80-223,097.49-93,721.16

Finding the Fourth Proportional to 161,664.80, 223,097.49 and 93,721.16

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Solution

The fourth proportional to 161,664.80, 223,097.49 and 93,721.16 is: 129,335.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,664.80 : 223,097.49 = 93,721.16 : x
  2. Step 2: Convert to fraction form
    161,664.80/223,097.49 = 93,721.16/x
  3. Step 3: Cross multiply
    161,664.80x = 223,097.49 × 93,721.16
  4. Step 4: Simplify right side
    161,664.80x = 20,908,956,113.63
  5. Step 5: Solve for x
    x = 20,908,956,113.63/161,664.80
  6. Step 6: Final answer
    x = 129,335.24

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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.