Home / 168,501.06-252,626.75-79,650.74

Finding the Fourth Proportional to 168,501.06, 252,626.75 and 79,650.74

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Solution

The fourth proportional to 168,501.06, 252,626.75 and 79,650.74 is: 119,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,501.06 : 252,626.75 = 79,650.74 : x
  2. Step 2: Convert to fraction form
    168,501.06/252,626.75 = 79,650.74/x
  3. Step 3: Cross multiply
    168,501.06x = 252,626.75 × 79,650.74
  4. Step 4: Simplify right side
    168,501.06x = 20,121,908,113.30
  5. Step 5: Solve for x
    x = 20,121,908,113.30/168,501.06
  6. Step 6: Final answer
    x = 119,417.10

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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.