Home / 161,949.19-223,429.63-93,928.02

Finding the Fourth Proportional to 161,949.19, 223,429.63 and 93,928.02

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Solution

The fourth proportional to 161,949.19, 223,429.63 and 93,928.02 is: 129,585.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,949.19 : 223,429.63 = 93,928.02 : x
  2. Step 2: Convert to fraction form
    161,949.19/223,429.63 = 93,928.02/x
  3. Step 3: Cross multiply
    161,949.19x = 223,429.63 × 93,928.02
  4. Step 4: Simplify right side
    161,949.19x = 20,986,302,755.23
  5. Step 5: Solve for x
    x = 20,986,302,755.23/161,949.19
  6. Step 6: Final answer
    x = 129,585.72

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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.