Home / 134,171.40-201,257.10-100,710.30

Finding the Fourth Proportional to 134,171.40, 201,257.10 and 100,710.30

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Solution

The fourth proportional to 134,171.40, 201,257.10 and 100,710.30 is: 151,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,171.40 : 201,257.10 = 100,710.30 : x
  2. Step 2: Convert to fraction form
    134,171.40/201,257.10 = 100,710.30/x
  3. Step 3: Cross multiply
    134,171.40x = 201,257.10 × 100,710.30
  4. Step 4: Simplify right side
    134,171.40x = 20,268,662,918.13
  5. Step 5: Solve for x
    x = 20,268,662,918.13/134,171.40
  6. Step 6: Final answer
    x = 151,065.45

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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.