Home / 227,476.24-313,817.40-136,779.76

Finding the Fourth Proportional to 227,476.24, 313,817.40 and 136,779.76

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Solution

The fourth proportional to 227,476.24, 313,817.40 and 136,779.76 is: 188,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,476.24 : 313,817.40 = 136,779.76 : x
  2. Step 2: Convert to fraction form
    227,476.24/313,817.40 = 136,779.76/x
  3. Step 3: Cross multiply
    227,476.24x = 313,817.40 × 136,779.76
  4. Step 4: Simplify right side
    227,476.24x = 42,923,868,655.82
  5. Step 5: Solve for x
    x = 42,923,868,655.82/227,476.24
  6. Step 6: Final answer
    x = 188,696.05

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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.