Home / 175,655.80-263,138.10-105,326.20

Finding the Fourth Proportional to 175,655.80, 263,138.10 and 105,326.20

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Solution

The fourth proportional to 175,655.80, 263,138.10 and 105,326.20 is: 157,782.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,655.80 : 263,138.10 = 105,326.20 : x
  2. Step 2: Convert to fraction form
    175,655.80/263,138.10 = 105,326.20/x
  3. Step 3: Cross multiply
    175,655.80x = 263,138.10 × 105,326.20
  4. Step 4: Simplify right side
    175,655.80x = 27,715,336,148.22
  5. Step 5: Solve for x
    x = 27,715,336,148.22/175,655.80
  6. Step 6: Final answer
    x = 157,782.07

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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.