Home / 313,238.01-469,857.02-76,577.88

Finding the Fourth Proportional to 313,238.01, 469,857.02 and 76,577.88

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Solution

The fourth proportional to 313,238.01, 469,857.02 and 76,577.88 is: 114,866.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,238.01 : 469,857.02 = 76,577.88 : x
  2. Step 2: Convert to fraction form
    313,238.01/469,857.02 = 76,577.88/x
  3. Step 3: Cross multiply
    313,238.01x = 469,857.02 × 76,577.88
  4. Step 4: Simplify right side
    313,238.01x = 35,980,654,111.83
  5. Step 5: Solve for x
    x = 35,980,654,111.83/313,238.01
  6. Step 6: Final answer
    x = 114,866.82

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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.