Home / 157,727.16-236,624.76-45,406.62

Finding the Fourth Proportional to 157,727.16, 236,624.76 and 45,406.62

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Solution

The fourth proportional to 157,727.16, 236,624.76 and 45,406.62 is: 68,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,727.16 : 236,624.76 = 45,406.62 : x
  2. Step 2: Convert to fraction form
    157,727.16/236,624.76 = 45,406.62/x
  3. Step 3: Cross multiply
    157,727.16x = 236,624.76 × 45,406.62
  4. Step 4: Simplify right side
    157,727.16x = 10,744,330,559.91
  5. Step 5: Solve for x
    x = 10,744,330,559.91/157,727.16
  6. Step 6: Final answer
    x = 68,119.72

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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.