Home / 285,042.38-393,296.06-170,303.81

Finding the Fourth Proportional to 285,042.38, 393,296.06 and 170,303.81

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Solution

The fourth proportional to 285,042.38, 393,296.06 and 170,303.81 is: 234,981.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,042.38 : 393,296.06 = 170,303.81 : x
  2. Step 2: Convert to fraction form
    285,042.38/393,296.06 = 170,303.81/x
  3. Step 3: Cross multiply
    285,042.38x = 393,296.06 × 170,303.81
  4. Step 4: Simplify right side
    285,042.38x = 66,979,814,657.99
  5. Step 5: Solve for x
    x = 66,979,814,657.99/285,042.38
  6. Step 6: Final answer
    x = 234,981.96

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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.