Home / 161,710.48-242,602.64-49,406.68

Finding the Fourth Proportional to 161,710.48, 242,602.64 and 49,406.68

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Solution

The fourth proportional to 161,710.48, 242,602.64 and 49,406.68 is: 74,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,710.48 : 242,602.64 = 49,406.68 : x
  2. Step 2: Convert to fraction form
    161,710.48/242,602.64 = 49,406.68/x
  3. Step 3: Cross multiply
    161,710.48x = 242,602.64 × 49,406.68
  4. Step 4: Simplify right side
    161,710.48x = 11,986,191,001.64
  5. Step 5: Solve for x
    x = 11,986,191,001.64/161,710.48
  6. Step 6: Final answer
    x = 74,121.30

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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.