Home / 171,865.40-257,945.72-97,059.06

Finding the Fourth Proportional to 171,865.40, 257,945.72 and 97,059.06

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Solution

The fourth proportional to 171,865.40, 257,945.72 and 97,059.06 is: 145,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,865.40 : 257,945.72 = 97,059.06 : x
  2. Step 2: Convert to fraction form
    171,865.40/257,945.72 = 97,059.06/x
  3. Step 3: Cross multiply
    171,865.40x = 257,945.72 × 97,059.06
  4. Step 4: Simplify right side
    171,865.40x = 25,035,968,628.93
  5. Step 5: Solve for x
    x = 25,035,968,628.93/171,865.40
  6. Step 6: Final answer
    x = 145,671.96

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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.