Home / 190,434.30-285,651.45-97,122.30

Finding the Fourth Proportional to 190,434.30, 285,651.45 and 97,122.30

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Solution

The fourth proportional to 190,434.30, 285,651.45 and 97,122.30 is: 145,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,434.30 : 285,651.45 = 97,122.30 : x
  2. Step 2: Convert to fraction form
    190,434.30/285,651.45 = 97,122.30/x
  3. Step 3: Cross multiply
    190,434.30x = 285,651.45 × 97,122.30
  4. Step 4: Simplify right side
    190,434.30x = 27,743,125,822.34
  5. Step 5: Solve for x
    x = 27,743,125,822.34/190,434.30
  6. Step 6: Final answer
    x = 145,683.45

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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.