Home / 118,556.22-163,667.07-91,637.94

Finding the Fourth Proportional to 118,556.22, 163,667.07 and 91,637.94

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Solution

The fourth proportional to 118,556.22, 163,667.07 and 91,637.94 is: 126,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,556.22 : 163,667.07 = 91,637.94 : x
  2. Step 2: Convert to fraction form
    118,556.22/163,667.07 = 91,637.94/x
  3. Step 3: Cross multiply
    118,556.22x = 163,667.07 × 91,637.94
  4. Step 4: Simplify right side
    118,556.22x = 14,998,113,140.64
  5. Step 5: Solve for x
    x = 14,998,113,140.64/118,556.22
  6. Step 6: Final answer
    x = 126,506.34

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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.