Home / 222,779.17-307,326.58-127,260.73

Finding the Fourth Proportional to 222,779.17, 307,326.58 and 127,260.73

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Solution

The fourth proportional to 222,779.17, 307,326.58 and 127,260.73 is: 175,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,779.17 : 307,326.58 = 127,260.73 : x
  2. Step 2: Convert to fraction form
    222,779.17/307,326.58 = 127,260.73/x
  3. Step 3: Cross multiply
    222,779.17x = 307,326.58 × 127,260.73
  4. Step 4: Simplify right side
    222,779.17x = 39,110,604,919.20
  5. Step 5: Solve for x
    x = 39,110,604,919.20/222,779.17
  6. Step 6: Final answer
    x = 175,557.73

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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.