Home / 168,050.24-252,031.36-79,280.32

Finding the Fourth Proportional to 168,050.24, 252,031.36 and 79,280.32

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Solution

The fourth proportional to 168,050.24, 252,031.36 and 79,280.32 is: 118,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,050.24 : 252,031.36 = 79,280.32 : x
  2. Step 2: Convert to fraction form
    168,050.24/252,031.36 = 79,280.32/x
  3. Step 3: Cross multiply
    168,050.24x = 252,031.36 × 79,280.32
  4. Step 4: Simplify right side
    168,050.24x = 19,981,126,870.84
  5. Step 5: Solve for x
    x = 19,981,126,870.84/168,050.24
  6. Step 6: Final answer
    x = 118,899.72

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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.