Home / 175,239.40-262,859.10-100,330.60

Finding the Fourth Proportional to 175,239.40, 262,859.10 and 100,330.60

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Solution

The fourth proportional to 175,239.40, 262,859.10 and 100,330.60 is: 150,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,239.40 : 262,859.10 = 100,330.60 : x
  2. Step 2: Convert to fraction form
    175,239.40/262,859.10 = 100,330.60/x
  3. Step 3: Cross multiply
    175,239.40x = 262,859.10 × 100,330.60
  4. Step 4: Simplify right side
    175,239.40x = 26,372,811,218.46
  5. Step 5: Solve for x
    x = 26,372,811,218.46/175,239.40
  6. Step 6: Final answer
    x = 150,495.90

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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.