Home / 252,023.10-378,034.65-168,042.30

Finding the Fourth Proportional to 252,023.10, 378,034.65 and 168,042.30

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Solution

The fourth proportional to 252,023.10, 378,034.65 and 168,042.30 is: 252,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,023.10 : 378,034.65 = 168,042.30 : x
  2. Step 2: Convert to fraction form
    252,023.10/378,034.65 = 168,042.30/x
  3. Step 3: Cross multiply
    252,023.10x = 378,034.65 × 168,042.30
  4. Step 4: Simplify right side
    252,023.10x = 63,525,812,065.70
  5. Step 5: Solve for x
    x = 63,525,812,065.70/252,023.10
  6. Step 6: Final answer
    x = 252,063.45

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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.