Home / 216,927.27-299,931.11-189,992.67

Finding the Fourth Proportional to 216,927.27, 299,931.11 and 189,992.67

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Solution

The fourth proportional to 216,927.27, 299,931.11 and 189,992.67 is: 262,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,927.27 : 299,931.11 = 189,992.67 : x
  2. Step 2: Convert to fraction form
    216,927.27/299,931.11 = 189,992.67/x
  3. Step 3: Cross multiply
    216,927.27x = 299,931.11 × 189,992.67
  4. Step 4: Simplify right side
    216,927.27x = 56,984,712,404.96
  5. Step 5: Solve for x
    x = 56,984,712,404.96/216,927.27
  6. Step 6: Final answer
    x = 262,690.40

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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.