Home / 175,207.20-262,810.80-140,215.20

Finding the Fourth Proportional to 175,207.20, 262,810.80 and 140,215.20

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Solution

The fourth proportional to 175,207.20, 262,810.80 and 140,215.20 is: 210,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,207.20 : 262,810.80 = 140,215.20 : x
  2. Step 2: Convert to fraction form
    175,207.20/262,810.80 = 140,215.20/x
  3. Step 3: Cross multiply
    175,207.20x = 262,810.80 × 140,215.20
  4. Step 4: Simplify right side
    175,207.20x = 36,850,068,884.16
  5. Step 5: Solve for x
    x = 36,850,068,884.16/175,207.20
  6. Step 6: Final answer
    x = 210,322.80

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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.