Home / 222,914.34-307,643.40-127,402.83

Finding the Fourth Proportional to 222,914.34, 307,643.40 and 127,402.83

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Solution

The fourth proportional to 222,914.34, 307,643.40 and 127,402.83 is: 175,828.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,914.34 : 307,643.40 = 127,402.83 : x
  2. Step 2: Convert to fraction form
    222,914.34/307,643.40 = 127,402.83/x
  3. Step 3: Cross multiply
    222,914.34x = 307,643.40 × 127,402.83
  4. Step 4: Simplify right side
    222,914.34x = 39,194,639,790.82
  5. Step 5: Solve for x
    x = 39,194,639,790.82/222,914.34
  6. Step 6: Final answer
    x = 175,828.26

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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.