Home / 262,111.05-392,590.29-216,616.80

Finding the Fourth Proportional to 262,111.05, 392,590.29 and 216,616.80

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Solution

The fourth proportional to 262,111.05, 392,590.29 and 216,616.80 is: 324,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,111.05 : 392,590.29 = 216,616.80 : x
  2. Step 2: Convert to fraction form
    262,111.05/392,590.29 = 216,616.80/x
  3. Step 3: Cross multiply
    262,111.05x = 392,590.29 × 216,616.80
  4. Step 4: Simplify right side
    262,111.05x = 85,041,652,330.87
  5. Step 5: Solve for x
    x = 85,041,652,330.87/262,111.05
  6. Step 6: Final answer
    x = 324,448.94

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1.5x scale

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.