Home / 222,779.10-307,451.46-127,283.76

Finding the Fourth Proportional to 222,779.10, 307,451.46 and 127,283.76

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Solution

The fourth proportional to 222,779.10, 307,451.46 and 127,283.76 is: 175,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,779.10 : 307,451.46 = 127,283.76 : x
  2. Step 2: Convert to fraction form
    222,779.10/307,451.46 = 127,283.76/x
  3. Step 3: Cross multiply
    222,779.10x = 307,451.46 × 127,283.76
  4. Step 4: Simplify right side
    222,779.10x = 39,133,577,846.29
  5. Step 5: Solve for x
    x = 39,133,577,846.29/222,779.10
  6. Step 6: Final answer
    x = 175,660.90

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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.