Home / 222,867.72-307,557-127,427.04

Finding the Fourth Proportional to 222,867.72, 307,557 and 127,427.04

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Solution

The fourth proportional to 222,867.72, 307,557 and 127,427.04 is: 175,849.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,867.72 : 307,557 = 127,427.04 : x
  2. Step 2: Convert to fraction form
    222,867.72/307,557 = 127,427.04/x
  3. Step 3: Cross multiply
    222,867.72x = 307,557 × 127,427.04
  4. Step 4: Simplify right side
    222,867.72x = 39,191,078,141.28
  5. Step 5: Solve for x
    x = 39,191,078,141.28/222,867.72
  6. Step 6: Final answer
    x = 175,849.06

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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.