Home / 252,007.20-378,051.98-74,532.15

Finding the Fourth Proportional to 252,007.20, 378,051.98 and 74,532.15

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Solution

The fourth proportional to 252,007.20, 378,051.98 and 74,532.15 is: 111,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,007.20 : 378,051.98 = 74,532.15 : x
  2. Step 2: Convert to fraction form
    252,007.20/378,051.98 = 74,532.15/x
  3. Step 3: Cross multiply
    252,007.20x = 378,051.98 × 74,532.15
  4. Step 4: Simplify right side
    252,007.20x = 28,177,026,508.50
  5. Step 5: Solve for x
    x = 28,177,026,508.50/252,007.20
  6. Step 6: Final answer
    x = 111,810.40

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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.