Home / 190,036.16-285,098.60-55,103.06

Finding the Fourth Proportional to 190,036.16, 285,098.60 and 55,103.06

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Solution

The fourth proportional to 190,036.16, 285,098.60 and 55,103.06 is: 82,667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,036.16 : 285,098.60 = 55,103.06 : x
  2. Step 2: Convert to fraction form
    190,036.16/285,098.60 = 55,103.06/x
  3. Step 3: Cross multiply
    190,036.16x = 285,098.60 × 55,103.06
  4. Step 4: Simplify right side
    190,036.16x = 15,709,805,261.72
  5. Step 5: Solve for x
    x = 15,709,805,261.72/190,036.16
  6. Step 6: Final answer
    x = 82,667.45

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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.