Home / 197,241.21-272,126.39-112,298.13

Finding the Fourth Proportional to 197,241.21, 272,126.39 and 112,298.13

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Solution

The fourth proportional to 197,241.21, 272,126.39 and 112,298.13 is: 154,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,241.21 : 272,126.39 = 112,298.13 : x
  2. Step 2: Convert to fraction form
    197,241.21/272,126.39 = 112,298.13/x
  3. Step 3: Cross multiply
    197,241.21x = 272,126.39 × 112,298.13
  4. Step 4: Simplify right side
    197,241.21x = 30,559,284,159.16
  5. Step 5: Solve for x
    x = 30,559,284,159.16/197,241.21
  6. Step 6: Final answer
    x = 154,933.57

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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.