Home / 178,000.47-245,668.14-101,519.73

Finding the Fourth Proportional to 178,000.47, 245,668.14 and 101,519.73

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Solution

The fourth proportional to 178,000.47, 245,668.14 and 101,519.73 is: 140,112.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,000.47 : 245,668.14 = 101,519.73 : x
  2. Step 2: Convert to fraction form
    178,000.47/245,668.14 = 101,519.73/x
  3. Step 3: Cross multiply
    178,000.47x = 245,668.14 × 101,519.73
  4. Step 4: Simplify right side
    178,000.47x = 24,940,163,242.40
  5. Step 5: Solve for x
    x = 24,940,163,242.40/178,000.47
  6. Step 6: Final answer
    x = 140,112.91

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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.