Home / 196,988.48-296,812.40-162,696.32

Finding the Fourth Proportional to 196,988.48, 296,812.40 and 162,696.32

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Solution

The fourth proportional to 196,988.48, 296,812.40 and 162,696.32 is: 245,142.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,988.48 : 296,812.40 = 162,696.32 : x
  2. Step 2: Convert to fraction form
    196,988.48/296,812.40 = 162,696.32/x
  3. Step 3: Cross multiply
    196,988.48x = 296,812.40 × 162,696.32
  4. Step 4: Simplify right side
    196,988.48x = 48,290,285,210.37
  5. Step 5: Solve for x
    x = 48,290,285,210.37/196,988.48
  6. Step 6: Final answer
    x = 245,142.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.