Home / 167,887.04-231,614.70-99,890.42

Finding the Fourth Proportional to 167,887.04, 231,614.70 and 99,890.42

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Solution

The fourth proportional to 167,887.04, 231,614.70 and 99,890.42 is: 137,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,887.04 : 231,614.70 = 99,890.42 : x
  2. Step 2: Convert to fraction form
    167,887.04/231,614.70 = 99,890.42/x
  3. Step 3: Cross multiply
    167,887.04x = 231,614.70 × 99,890.42
  4. Step 4: Simplify right side
    167,887.04x = 23,136,089,661.17
  5. Step 5: Solve for x
    x = 23,136,089,661.17/167,887.04
  6. Step 6: Final answer
    x = 137,807.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.