Home / 196,314.04-270,844.34-128,370.76

Finding the Fourth Proportional to 196,314.04, 270,844.34 and 128,370.76

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Solution

The fourth proportional to 196,314.04, 270,844.34 and 128,370.76 is: 177,106.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,314.04 : 270,844.34 = 128,370.76 : x
  2. Step 2: Convert to fraction form
    196,314.04/270,844.34 = 128,370.76/x
  3. Step 3: Cross multiply
    196,314.04x = 270,844.34 × 128,370.76
  4. Step 4: Simplify right side
    196,314.04x = 34,768,493,767.50
  5. Step 5: Solve for x
    x = 34,768,493,767.50/196,314.04
  6. Step 6: Final answer
    x = 177,106.51

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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.