Home / 168,815.38-233,011.29-105,115.54

Finding the Fourth Proportional to 168,815.38, 233,011.29 and 105,115.54

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Solution

The fourth proportional to 168,815.38, 233,011.29 and 105,115.54 is: 145,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,815.38 : 233,011.29 = 105,115.54 : x
  2. Step 2: Convert to fraction form
    168,815.38/233,011.29 = 105,115.54/x
  3. Step 3: Cross multiply
    168,815.38x = 233,011.29 × 105,115.54
  4. Step 4: Simplify right side
    168,815.38x = 24,493,107,574.45
  5. Step 5: Solve for x
    x = 24,493,107,574.45/168,815.38
  6. Step 6: Final answer
    x = 145,088.13

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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.