Home / 196,721.76-295,080.72-56,480.16

Finding the Fourth Proportional to 196,721.76, 295,080.72 and 56,480.16

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Solution

The fourth proportional to 196,721.76, 295,080.72 and 56,480.16 is: 84,719.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,721.76 : 295,080.72 = 56,480.16 : x
  2. Step 2: Convert to fraction form
    196,721.76/295,080.72 = 56,480.16/x
  3. Step 3: Cross multiply
    196,721.76x = 295,080.72 × 56,480.16
  4. Step 4: Simplify right side
    196,721.76x = 16,666,206,278.52
  5. Step 5: Solve for x
    x = 16,666,206,278.52/196,721.76
  6. Step 6: Final answer
    x = 84,719.69

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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.