Home / 193,985.80-291,197.40-149,808.40

Finding the Fourth Proportional to 193,985.80, 291,197.40 and 149,808.40

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Solution

The fourth proportional to 193,985.80, 291,197.40 and 149,808.40 is: 224,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,985.80 : 291,197.40 = 149,808.40 : x
  2. Step 2: Convert to fraction form
    193,985.80/291,197.40 = 149,808.40/x
  3. Step 3: Cross multiply
    193,985.80x = 291,197.40 × 149,808.40
  4. Step 4: Simplify right side
    193,985.80x = 43,623,816,578.16
  5. Step 5: Solve for x
    x = 43,623,816,578.16/193,985.80
  6. Step 6: Final answer
    x = 224,881.49

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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.