Home / 216,926.27-299,929.73-189,991.67

Finding the Fourth Proportional to 216,926.27, 299,929.73 and 189,991.67

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Solution

The fourth proportional to 216,926.27, 299,929.73 and 189,991.67 is: 262,689.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,926.27 : 299,929.73 = 189,991.67 : x
  2. Step 2: Convert to fraction form
    216,926.27/299,929.73 = 189,991.67/x
  3. Step 3: Cross multiply
    216,926.27x = 299,929.73 × 189,991.67
  4. Step 4: Simplify right side
    216,926.27x = 56,984,147,835.74
  5. Step 5: Solve for x
    x = 56,984,147,835.74/216,926.27
  6. Step 6: Final answer
    x = 262,689.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.