Home / 161,898.93-242,973.23-105,723.81

Finding the Fourth Proportional to 161,898.93, 242,973.23 and 105,723.81

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Solution

The fourth proportional to 161,898.93, 242,973.23 and 105,723.81 is: 158,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,898.93 : 242,973.23 = 105,723.81 : x
  2. Step 2: Convert to fraction form
    161,898.93/242,973.23 = 105,723.81/x
  3. Step 3: Cross multiply
    161,898.93x = 242,973.23 × 105,723.81
  4. Step 4: Simplify right side
    161,898.93x = 25,688,055,074.99
  5. Step 5: Solve for x
    x = 25,688,055,074.99/161,898.93
  6. Step 6: Final answer
    x = 158,667.23

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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.