Home / 193,459.13-267,079.52-135,405.21

Finding the Fourth Proportional to 193,459.13, 267,079.52 and 135,405.21

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Solution

The fourth proportional to 193,459.13, 267,079.52 and 135,405.21 is: 186,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,459.13 : 267,079.52 = 135,405.21 : x
  2. Step 2: Convert to fraction form
    193,459.13/267,079.52 = 135,405.21/x
  3. Step 3: Cross multiply
    193,459.13x = 267,079.52 × 135,405.21
  4. Step 4: Simplify right side
    193,459.13x = 36,163,958,830.81
  5. Step 5: Solve for x
    x = 36,163,958,830.81/193,459.13
  6. Step 6: Final answer
    x = 186,933.33

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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.