Home / 194,153.28-291,243.12-66,017.38

Finding the Fourth Proportional to 194,153.28, 291,243.12 and 66,017.38

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Solution

The fourth proportional to 194,153.28, 291,243.12 and 66,017.38 is: 99,030.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,153.28 : 291,243.12 = 66,017.38 : x
  2. Step 2: Convert to fraction form
    194,153.28/291,243.12 = 66,017.38/x
  3. Step 3: Cross multiply
    194,153.28x = 291,243.12 × 66,017.38
  4. Step 4: Simplify right side
    194,153.28x = 19,227,107,667.18
  5. Step 5: Solve for x
    x = 19,227,107,667.18/194,153.28
  6. Step 6: Final answer
    x = 99,030.56

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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.