Home / 161,502.05-242,303.99-76,109.46

Finding the Fourth Proportional to 161,502.05, 242,303.99 and 76,109.46

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Solution

The fourth proportional to 161,502.05, 242,303.99 and 76,109.46 is: 114,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,502.05 : 242,303.99 = 76,109.46 : x
  2. Step 2: Convert to fraction form
    161,502.05/242,303.99 = 76,109.46/x
  3. Step 3: Cross multiply
    161,502.05x = 242,303.99 × 76,109.46
  4. Step 4: Simplify right side
    161,502.05x = 18,441,626,933.66
  5. Step 5: Solve for x
    x = 18,441,626,933.66/161,502.05
  6. Step 6: Final answer
    x = 114,188.19

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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.