Home / 171,386.13-257,177.56-133,840.80

Finding the Fourth Proportional to 171,386.13, 257,177.56 and 133,840.80

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Solution

The fourth proportional to 171,386.13, 257,177.56 and 133,840.80 is: 200,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,386.13 : 257,177.56 = 133,840.80 : x
  2. Step 2: Convert to fraction form
    171,386.13/257,177.56 = 133,840.80/x
  3. Step 3: Cross multiply
    171,386.13x = 257,177.56 × 133,840.80
  4. Step 4: Simplify right side
    171,386.13x = 34,420,850,372.45
  5. Step 5: Solve for x
    x = 34,420,850,372.45/171,386.13
  6. Step 6: Final answer
    x = 200,838.02

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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.