Home / 168,605.13-252,689.67-126,152.13

Finding the Fourth Proportional to 168,605.13, 252,689.67 and 126,152.13

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Solution

The fourth proportional to 168,605.13, 252,689.67 and 126,152.13 is: 189,065.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,605.13 : 252,689.67 = 126,152.13 : x
  2. Step 2: Convert to fraction form
    168,605.13/252,689.67 = 126,152.13/x
  3. Step 3: Cross multiply
    168,605.13x = 252,689.67 × 126,152.13
  4. Step 4: Simplify right side
    168,605.13x = 31,877,340,099.50
  5. Step 5: Solve for x
    x = 31,877,340,099.50/168,605.13
  6. Step 6: Final answer
    x = 189,065.07

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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.