Home / 161,606.07-242,296.47-71,599.86

Finding the Fourth Proportional to 161,606.07, 242,296.47 and 71,599.86

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Solution

The fourth proportional to 161,606.07, 242,296.47 and 71,599.86 is: 107,349.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,606.07 : 242,296.47 = 71,599.86 : x
  2. Step 2: Convert to fraction form
    161,606.07/242,296.47 = 71,599.86/x
  3. Step 3: Cross multiply
    161,606.07x = 242,296.47 × 71,599.86
  4. Step 4: Simplify right side
    161,606.07x = 17,348,393,330.49
  5. Step 5: Solve for x
    x = 17,348,393,330.49/161,606.07
  6. Step 6: Final answer
    x = 107,349.89

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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.