Home / 161,954.23-223,497.66-89,359.63

Finding the Fourth Proportional to 161,954.23, 223,497.66 and 89,359.63

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Solution

The fourth proportional to 161,954.23, 223,497.66 and 89,359.63 is: 123,316.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,954.23 : 223,497.66 = 89,359.63 : x
  2. Step 2: Convert to fraction form
    161,954.23/223,497.66 = 89,359.63/x
  3. Step 3: Cross multiply
    161,954.23x = 223,497.66 × 89,359.63
  4. Step 4: Simplify right side
    161,954.23x = 19,971,668,203.47
  5. Step 5: Solve for x
    x = 19,971,668,203.47/161,954.23
  6. Step 6: Final answer
    x = 123,316.74

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1.5x scale

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.