Home / 178,097.08-245,759.34-102,650.68

Finding the Fourth Proportional to 178,097.08, 245,759.34 and 102,650.68

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Solution

The fourth proportional to 178,097.08, 245,759.34 and 102,650.68 is: 141,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,097.08 : 245,759.34 = 102,650.68 : x
  2. Step 2: Convert to fraction form
    178,097.08/245,759.34 = 102,650.68/x
  3. Step 3: Cross multiply
    178,097.08x = 245,759.34 × 102,650.68
  4. Step 4: Simplify right side
    178,097.08x = 25,227,363,367.35
  5. Step 5: Solve for x
    x = 25,227,363,367.35/178,097.08
  6. Step 6: Final answer
    x = 141,649.51

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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.