Home / 127,938.11-191,507.82-94,242.12

Finding the Fourth Proportional to 127,938.11, 191,507.82 and 94,242.12

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Solution

The fourth proportional to 127,938.11, 191,507.82 and 94,242.12 is: 141,069.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,938.11 : 191,507.82 = 94,242.12 : x
  2. Step 2: Convert to fraction form
    127,938.11/191,507.82 = 94,242.12/x
  3. Step 3: Cross multiply
    127,938.11x = 191,507.82 × 94,242.12
  4. Step 4: Simplify right side
    127,938.11x = 18,048,102,953.38
  5. Step 5: Solve for x
    x = 18,048,102,953.38/127,938.11
  6. Step 6: Final answer
    x = 141,069.01

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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.