Home / 118,667.36-163,756.94-64,951.26

Finding the Fourth Proportional to 118,667.36, 163,756.94 and 64,951.26

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Solution

The fourth proportional to 118,667.36, 163,756.94 and 64,951.26 is: 89,630.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,667.36 : 163,756.94 = 64,951.26 : x
  2. Step 2: Convert to fraction form
    118,667.36/163,756.94 = 64,951.26/x
  3. Step 3: Cross multiply
    118,667.36x = 163,756.94 × 64,951.26
  4. Step 4: Simplify right side
    118,667.36x = 10,636,219,261.99
  5. Step 5: Solve for x
    x = 10,636,219,261.99/118,667.36
  6. Step 6: Final answer
    x = 89,630.54

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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.