Home / 155,749.76-233,174.40-91,513.60

Finding the Fourth Proportional to 155,749.76, 233,174.40 and 91,513.60

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Solution

The fourth proportional to 155,749.76, 233,174.40 and 91,513.60 is: 137,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,749.76 : 233,174.40 = 91,513.60 : x
  2. Step 2: Convert to fraction form
    155,749.76/233,174.40 = 91,513.60/x
  3. Step 3: Cross multiply
    155,749.76x = 233,174.40 × 91,513.60
  4. Step 4: Simplify right side
    155,749.76x = 21,338,628,771.84
  5. Step 5: Solve for x
    x = 21,338,628,771.84/155,749.76
  6. Step 6: Final answer
    x = 137,005.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.