Home / 167,698.01-231,341.94-99,666.83

Finding the Fourth Proportional to 167,698.01, 231,341.94 and 99,666.83

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Solution

The fourth proportional to 167,698.01, 231,341.94 and 99,666.83 is: 137,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,698.01 : 231,341.94 = 99,666.83 : x
  2. Step 2: Convert to fraction form
    167,698.01/231,341.94 = 99,666.83/x
  3. Step 3: Cross multiply
    167,698.01x = 231,341.94 × 99,666.83
  4. Step 4: Simplify right side
    167,698.01x = 23,057,116,649.14
  5. Step 5: Solve for x
    x = 23,057,116,649.14/167,698.01
  6. Step 6: Final answer
    x = 137,491.90

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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.