Home / 127,487.22-175,747.93-84,394.51

Finding the Fourth Proportional to 127,487.22, 175,747.93 and 84,394.51

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Solution

The fourth proportional to 127,487.22, 175,747.93 and 84,394.51 is: 116,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,487.22 : 175,747.93 = 84,394.51 : x
  2. Step 2: Convert to fraction form
    127,487.22/175,747.93 = 84,394.51/x
  3. Step 3: Cross multiply
    127,487.22x = 175,747.93 × 84,394.51
  4. Step 4: Simplify right side
    127,487.22x = 14,832,159,785.51
  5. Step 5: Solve for x
    x = 14,832,159,785.51/127,487.22
  6. Step 6: Final answer
    x = 116,342.33

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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.