Home / 113,191.38-169,528.23-54,068.58

Finding the Fourth Proportional to 113,191.38, 169,528.23 and 54,068.58

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Solution

The fourth proportional to 113,191.38, 169,528.23 and 54,068.58 is: 80,979.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,191.38 : 169,528.23 = 54,068.58 : x
  2. Step 2: Convert to fraction form
    113,191.38/169,528.23 = 54,068.58/x
  3. Step 3: Cross multiply
    113,191.38x = 169,528.23 × 54,068.58
  4. Step 4: Simplify right side
    113,191.38x = 9,166,150,666.01
  5. Step 5: Solve for x
    x = 9,166,150,666.01/113,191.38
  6. Step 6: Final answer
    x = 80,979.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.