Home / 132,425.99-182,751.45-72,000.69

Finding the Fourth Proportional to 132,425.99, 182,751.45 and 72,000.69

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Solution

The fourth proportional to 132,425.99, 182,751.45 and 72,000.69 is: 99,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,425.99 : 182,751.45 = 72,000.69 : x
  2. Step 2: Convert to fraction form
    132,425.99/182,751.45 = 72,000.69/x
  3. Step 3: Cross multiply
    132,425.99x = 182,751.45 × 72,000.69
  4. Step 4: Simplify right side
    132,425.99x = 13,158,230,498.50
  5. Step 5: Solve for x
    x = 13,158,230,498.50/132,425.99
  6. Step 6: Final answer
    x = 99,362.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.