Home / 116,975.39-161,236.45-91,436.63

Finding the Fourth Proportional to 116,975.39, 161,236.45 and 91,436.63

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Solution

The fourth proportional to 116,975.39, 161,236.45 and 91,436.63 is: 126,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,975.39 : 161,236.45 = 91,436.63 : x
  2. Step 2: Convert to fraction form
    116,975.39/161,236.45 = 91,436.63/x
  3. Step 3: Cross multiply
    116,975.39x = 161,236.45 × 91,436.63
  4. Step 4: Simplify right side
    116,975.39x = 14,742,917,621.16
  5. Step 5: Solve for x
    x = 14,742,917,621.16/116,975.39
  6. Step 6: Final answer
    x = 126,034.35

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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.