Home / 252,733.77-378,913.55-119,458.40

Finding the Fourth Proportional to 252,733.77, 378,913.55 and 119,458.40

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Solution

The fourth proportional to 252,733.77, 378,913.55 and 119,458.40 is: 179,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,733.77 : 378,913.55 = 119,458.40 : x
  2. Step 2: Convert to fraction form
    252,733.77/378,913.55 = 119,458.40/x
  3. Step 3: Cross multiply
    252,733.77x = 378,913.55 × 119,458.40
  4. Step 4: Simplify right side
    252,733.77x = 45,264,403,929.46
  5. Step 5: Solve for x
    x = 45,264,403,929.46/252,733.77
  6. Step 6: Final answer
    x = 179,099.15

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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.